Shepherd Credit - www.spacefacts.de

Personal: Male, Married. Born in Oak Ridge, Tennessee, USA. US Navy US Navy

Astronaut Career

Astronaut Group: NASA Group 10 - 1984. Inactive Entered space service: 23 May 1984. Left space service: 14 August 2002. Number of Flights: 4.00. Total Time: 159.33 days.

Shepherd was an ex-Navy SEAL and an expert in underwater demolition. A bachelor astronaut when he began his career with NASA, he was able to take full advantage of the astronaut groupies on offer.

NAME: William M. Shepherd (Captain, USN)

NASA Astronaut

PERSONAL DATA:

Born July 26, 1949, in Oak Ridge, Tennessee, but considers Babylon, New York his hometown. Married to Beth Stringham of Houston, Texas. He enjoys sailing, swimming, and working in his garage. His mother, Mrs. Barbara Shepherd, resides in Bethesda, Maryland. His father, Mr. George R. Shepherd, is deceased.

EDUCATION:

Graduated from Arcadia High School, Scottsdale, Arizona, in 1967; received a bachelor of science degree in aerospace engineering from the U.S. Naval Academy in 1971, and the degrees of ocean engineer and master of science in mechanical engineering from the Massachusetts Institute of Technology in 1978.

ORGANIZATIONS:

Member of the U.S. Naval Institute and the American Institute of Aeronautics and Astronautics (AIAA).

SPECIAL HONORS:

Recipient of NASA's "Steve Thorne" Aviation Award.

EXPERIENCE:

Shepherd was graduated from the U.S. Naval Academy in 1971, and has served with the Navy's Underwater Demolition Team ELEVEN, SEAL Teams ONE and TWO, and Special Boat Unit TWENTY.

NASA EXPERIENCE:

Selected by NASA in May 1984. He made three flights as a mission specialist and logged 440 hours in space. From November 1993 to January 1996, Shepherd served as Deputy Manager, Space Station Program. He is currently training in Russia and is scheduled to be the first U.S. astronaut to work aboard the International Space Station.

On his first flight, STS-27 (December 2-6, 1988), Shepherd served on the crew aboard the Space Shuttle Atlantis. The mission lasted 105 hours and carried Department of Defense payloads.

On STS-41 (October 6-10, 1990), during 66 orbits of the Earth, the crew aboard the Space Shuttle Discovery successfully deployed the Ulysses spacecraft, starting it on a four-year journey (via Jupiter) to investigate the polar regions of the Sun.

Shepherd flew a third mission, STS-52 (October 22 - November 1, 1992), aboard the Space Shuttle Columbia. The 10-day mission deployed the Laser Geodynamic Satellite (LAGEOS), and conducted U.S. microgravity payload experiments.

CURRENT ASSIGNMENT:

Shepherd is scheduled to be the first U.S. astronaut to work aboard the International Space Station, and is currently training in Russia. A three person crew will be launched to the Space Station aboard a Soyuz rocket from the Baikonur launch site in Kazakhstan in January 1999.

• 2 December 1988 Flight: STS-27. Flight Up: STS-27. Flight Back: STS-27. Flight Time: 4.38 days.

• 6 October 1990 Flight: STS-41. Flight Up: STS-41. Flight Back: STS-41. Flight Time: 4.09 days.

• 22 October 1992 Flight: STS-52. Flight Up: STS-52. Flight Back: STS-52. Flight Time: 9.87 days.

• 31 October 2000 Flight: ISS EO-1. Flight Up: Soyuz TM-31. Flight Back: STS-102. Flight Time: 140.98 days.

23 May 1984 - NASA Astronaut Training Group 10 selected.. The group was selected to provide pilot, engineer, and scientist astronauts for space shuttle flights.. Qualifications: Pilots: Bachelor's degree in engineering, biological science, physical science or mathematics. Advanced degree desirable. At least 1,000 flight-hours of pilot-in-command time. Flight test experience desirable. Excellent health. Vision minimum 20/50 uncorrected, correctable to 20/20 vision; maximum sitting blood pressure 140/90. Height between 163 and 193 cm.

Mission Specialists: Bachelor's degree in engineering, biological science, physical science or mathematics and minimum three years of related experience or an advanced degree. Vision minimum 20/150 uncorrected, correctable to 20/20. Maximum sitting blood pressure of 140/90. Height between 150 and 193 cm..

Reflecting the international cooperation involved in building the largest space complex in history, Commander Bob Cabana and Russian Cosmonaut Sergei Krikalev opened the hatch to the U.S.-built Unity connecting module at 1:54 p.m. Central time Thursday and floated into the new station together.

The rest of the crew followed and began turning on lights and unstowing gear in the roomy hub to which other modules will be connected in the future. Each passageway within Unity was marked by a sign leading the way into tunnels to which new modules will be connected.

About an hour later, at 3:12 p.m., Cabana and Krikalev opened the hatch to the Russian-built Zarya control module, which will be the nerve center for the station in its embryonic stage. Joined by Pilot Rick Sturckow and Mission Specialists Jerry Ross, Jim Newman and Nancy Currie, Cabana and Krikalev hailed the historic entrance into the International Space Station and said the hatch opening signified the start of a new era in space exploration.

Ross and Newman went right to work in Unity, completing the assembly of an early S-band communications system that will allow flight controllers in Houston to send commands to Unity's systems and to keep tabs on the health of the station with a more extensive communications capability than exists through Russian ground stations. The astronauts also conducted a successful test of the videoconferencing capability of the early communications system, which will be used by the first crew to permanently occupy the station in January 2000. Newman downlinked greetings to controllers in the station flight control room in Houston and to astronaut Bill Shepherd, who will command the first crew and live aboard the station with Krikalev and Cosmonaut Yuri Gidzenko.

Krikalev and Currie replaced a faulty unit in Zarya which controlled the discharging of stored energy from one of the module's six batteries. The battery had not been working properly in its automatic configuration, but the new unit was functioning normally shortly after it was installed.

The astronauts also unstowed hardware and logistical supplies stored behind panels in Zarya, relocating the items for use by the shuttle crew that will visit the station in May and Shepherd's expedition crew. Late this afternoon, the astronauts will complete their initial outfitting of the station.

The hatches to Zarya and Unity will be closed before Endeavour undocks from the new station Sunday, leaving the new complex to orbit the Earth unpiloted.

The astronauts begin an eight-hour sleep period at 2:36 a.m. Central time this morning and will be awakened at 10:36 a.m. to begin their ninth of day in orbit.

Endeavour and the International Space Station are circling the globe every 90 minutes at an altitude of 247 statute miles with all systems operating in excellent shape.

Mission Specialist Ellen Ochoa, who has been coordinating the transfer activities, reported early this morning that the transfer of clothing, water, sleeping bags, spare parts, medical equipment, supplies and hardware for the so-called Expedition One crew is essentially complete. Mission Specialist Julie Payette coordinated stowage of the items in the Unity and Zarya modules. Earlier in the flight, space walkers Dan Barry and Tammy Jernigan installed another 700 pounds of equipment on the exterior of the station to be used during future assembly missions. A handful of items will be carried from Discovery to the station late tonight to wrap up the primary objective of the flight.

One of the few items still to be transferred is a seventh bag of water. A total of almost 75 gallons of water will be left aboard the station for the first resident crew, which is comprised of Expedition Commander Bill Shepherd and Russian cosmonauts Yuri Gidzenko and Sergei Kirkalev.

With the transfer work all but complete, the astronauts conducted some additional work, installing parts of a wireless strain gauge system that will help engineers track the effects of adding modules to the station throughout its assembly, cleaning filters and checking smoke detectors.

The crew took time from their activities overnight to conduct a variety of news conferences with media representatives, and Payette accepted a congratulatory call from Canadian Prime Minister Jean Chretien and schoolchildren in Ottawa.

The astronauts began an eight-hour sleep period at 7:50 a.m. Central time and will be awakened at 3:50 p.m. to begin their final day of work aboard the international station.

The primary activity for the astronauts will be to move the few remaining items from Discovery to the ISS, then close a series of hatches within the station's modules leading back to the shuttle. Shortly after 4:30 a.m. Thursday, Discovery's thrusters will be commanded to fire in a series of 17 bursts to raise the Space Station's altitude by about five to six miles. That reboost maneuver will enable the station to be in the correct altitude for the arrival of the Russian Zvezda service module late this year. It will be the next component to be linked to the growing station complex and the first living quarters for the first permanent occupants of the orbital facility.

Discovery and the International Space Station are in excellent health orbiting 240 miles above the Earth.

Atlantis is scheduled to be moved to the launch pad early Saturday in preparation for the STS-101 launch currently set for no earlier than April 17. With processing virtually completed on the orbiter, planners continue to massage the details of hardware on the station that will be changed out to preserve and extend the Zarya module through the end of the year as the ISS awaits the arrival of its next pressurized module - the Zvezda service module.

Zvezda is scheduled to launch atop a Russian Proton launch vehicle between July 8 and 14. The module is in its final months of processing at the Baikonur Cosmodrome in Kazakhstan.

The ISS continues to operate without any major systems failures as it circles the Earth every 92 minutes in an orbit of 232 by 221 miles. The station has completed 7,645 orbits since Zarya was launched in November 1998.

Meanwhile, the first crew to officially turn the International Space Station into a home is scheduled to launch to the outpost in late October following Zvezda's launch and docking in July. Zvezda (the Russian word for 'Star') provides life support, command and control, and the early living quarters for the crew.

The adjustments to the official near term assembly sequence were agreed to by the International Partners and participants at a recent Space Station Control Board meeting. The United States, Russia, Canada, Japan, the European Space Agency, Italy and Brazil were represented at the meeting.

The first crew of three includes Commander William Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev. They will launch to the ISS from Baikonur atop a Soyuz rocket and dock two days later for a three-to-four-month stay.

Following is the updated near term assembly sequence through August 2001 with no-earlier-than target launch dates.

International Space Station Assembly Sequence
March 2000 Update

• Date/Flight/Launch Vehicle/Element(s)
• April 17, 20002/A.2a/Space Shuttle (STS-101) /Spacehab - Maintenance Flt.
• July 8-14, 2000/1R /Russian Proton /'Zvezda' service module
• Aug 19, 2000/ 2A.2b/Space Shuttle (STS-106) /Spacehab - Logistics Flight
• Sept 21, 2000 /3A /Space Shuttle (STS-92) /Integrated Truss Structure (ITS) Z1; Pressurized Mating Adapter-3; Control Moment Gyros (CMGs)
• Oct 30, 2000/2R/Russian Soyuz /Expedition 1 Crew launch
• Nov 30, 2000/4A/Space Shuttle (STS-97)/ Integrated Truss Structure (P6); Photovoltaic Module; Radiators
• Jan 18, 2001/5A/Space Shuttle (STS-98)/ 'Destiny' laboratory module
• Feb 9, 2001/4R /Russian Soyuz /Docking Compartment
• Feb 15, 2001/5A.1/Space Shuttle (STS-102)/ 'Leonardo' Multi-Purpose Logistics Module (MPLM)
• Apr 19, 2001/6A /Space Shuttle (STS-100) /'Rafaello' MPLM; Station Remote Manipulator System
• APR 30, 2001/2S/Russian Soyuz /Soyuz spacecraft swap
• May 17, 2001/7A/Space Shuttle (STS-104) /Airlock
• June 21, 2001/7A.1/Space Shuttle (STS-105) /'Donatello' MPLM
• Aug 23, 2001 /UF-1 /Space Shuttle (STS-109) /First utilization flight

"We laid out the red carpet for the first crew to come aboard," said Bob Cabana, manager of international operations for the International Space Station Program.

Undocking occurred at 10:46 p.m. CDT Sunday over Russia near the northeastern portion of the Ukraine. When Atlantis was at a safe distance from the station, about 450 feet, Pilot Scott Altman performed a 90-minute, double-loop fly around to enable the crew to document the station's exterior. He fired Atlantis' jets one final time to separate from the station at 12:35 a.m.

"It glistened out there in the different sunlight, watching the sunrise and sunset. The way it illuminated the solar arrays on the service module was just phenomenal," Altman said, when asked about the fly around during a crew news conference early Monday. "It sparkled like a jewel against the blue background of the oceans."

Commander Terry Wilcutt, Altman and Mission Specialists Ed Lu, Rick Mastracchio, Dan Burbank, Yuri Malenchenko and Boris Morukov all answered questions posed by reporters at NASA centers and the Russian mission control center outside of Moscow.

Wilcutt said he had no advice for the first station residents - Bill Shepherd, Sergei Krikalev and Yuri Gidzenko -- other than to "enjoy it like a new home." When asked about living conditions aboard the station, in particular noise levels inside the Zvezda service module, he said "We all think it's just fine. No louder than the shuttle. It's just fine the way it is."

Following the in-flight press conference, Malenchenko and Morukov remained in Atlantis' middeck to field questions from Russian reporters in Moscow before enjoying six hours of off-duty time and an eight-hour sleep period.

When the astronauts are awakened at 5:46 p.m. CDT this afternoon, they will check out the shuttle systems used for reentry and landing and secure equipment and transfer items in preparation for their homecoming. Landing is scheduled for 2:56 a.m. CDT Wednesday at Kennedy Space Center.

Before the launch, station flight control rooms in Houston and Moscow on Sunday will conduct a dress rehearsal of the crew's docking with the station, sending all commands to the complex as they will be sent for the actual docking, which is scheduled for 3:20 a.m. CST on Thursday, Nov. 2. For the rehearsal and the actual docking, the station will be commanded to orient itself horizontal to the Earth's surface, perpendicular to its direction of travel, with the Zvezda module pointing southward and the Unity module pointing northward and the newly installed pressurized mating adapter 3 pointing up toward the sun. At present, the station is in an identical orientation except that the Z-1 truss is pointing up toward the sun to maintain proper temperatures on the complex while awaiting the crew's arrival.

For the next several days, final stores of propellant will be transferred from the Progress cargo craft now docked with the station to fuel tanks on the station's Zarya module. The Progress craft, currently attached to the aft docking port of the Zvezda module, will be commanded to undock from the station on Wednesday, Nov. 1, to clear the way for the crew's arrival. The Soyuz spacecraft carrying Expedition 1 Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev will dock at the same aft Zvezda port. After it is undocked, the Progress craft will be commanded to reenter the Earth's atmosphere and will be destroyed during its descent.

No significant problems have been noted with any systems aboard the station since the Space Shuttle Discovery undocked from the outpost last week. However, early this week, one of three flight control computers in the Zvezda module was automatically taken off line. To back up one another, three flight control computers operate simultaneously aboard the module, performing the same functions. The remaining two computers are on line and operating well. Analysts at the Russian Mission Control Center in Moscow are evaluating the third computer's software to determine if there is any problem with its operation and when it may be commanded back on line. The station can operate on only one computer if necessary. Live coverage of the launch of the Expedition 1 crew will begin on NASA Television at 1 a.m. CST Oct. 31. NASA Television programming can be accessed through GE2, transponder 9C. The frequency is 3880 MHz with an orbital position of 85 degrees West Longitude, with audio at 6.8 MHz. This is a full transponder service and will be operational 24 hours a day. Mission audio may be accessed on GE2, transponder 13 with a frequency of 3960 MHz, vertical polarization.

Now in an orbit with a high point of 245 statute miles and a low point of 233 statute miles, the 81-ton, 143-foot long International Space Station can easily be seen from the ground under proper lighting conditions.

Launched atop the 162-foot tall Soyuz TM rocket, the crew is encapsulated in a Soyuz capsule where they will spend the next two days en route to the ISS.

Approximately nine minutes after lift-off the Soyuz capsule separated from the launch vehicle sending Soyuz Commander Yuri Gidzenko, Expedition 1 Commander Bill Shepherd and Flight Engineer Sergei Krikalev on their way to their new home in space. Gidzenko, Shepherd and Krikalev are in the portion of the Soyuz capsule referred to as the "descent module."

The module contains all the necessary controls and displays to allow the crew to monitor and command all critical flight activities, life support provisions, and the three personally-contoured couches they were strapped into for launch.

At the time of capsule separation, the Soyuz vehicle was in a 233 x 182 km (144 x 113 sm) orbit. Over the course of the next orbit, the crew will open the hatch to the upper module, sometimes referred to as the Habitation Module, which houses their life support systems.

In approximately 48 hours, Gidzenko will guide the capsule toward a docking with the ISS as the two vehicles fly overhead the Asian continent.

Following their launch from the Baikonur Cosmodrome at 1:53 a.m. CST today, Soyuz Commander Yuri Gidzenko, Expedition 1 Commander Bill Shepherd and Flight Engineer Sergei Krikalev successfully deployed docking probes on the Soyuz and checked out the spacecraft's motion control systems. On two consecutive orbits, daily orbits 3 and 4, phasing burns were completed to keep the Soyuz on course for its rendezvous with the International Space Station. A third rendezvous burn is scheduled just before 3 a.m. tomorrow to slightly raise the Soyuz orbit and slow the rate at which it is approaching the space station.

During communications passes over Russian ground stations this morning, the crew talked with flight controllers, providing updated information on the performance of the Soyuz spacecraft and the crew's activities. During their final communications pass of the day, the trio confirmed a successful test of the external camera that provides cues during rendezvous and docking, and reported all crew members were feeling well. Shepherd, Gidzenko and Krikalev went to sleep about 9 a.m. CST today and will awaken about 6:30 p.m. CST to begin the second day of what's planned to be a four-month stay in space.

Flight control teams in Houston have activated life support systems and air purification units on board the space station, readying the outpost for the arrival of its first residents early Thursday morning. In addition, the flight controllers will support tonight's undocking of the Progress resupply vehicle, currently docked to the same port on the Zvezda module of the station to which the Expedition 1 crew will dock Thursday. The Progress will undock at 10:02 p.m. CST today, and shortly after 1 a.m. Wednesday will be commanded into a trajectory that will cause it to burn up in the Earth's atmosphere.

An automated rendezvous sequence will begin at about 1 a.m. Thursday with the first of several rendezvous maneuvers scheduled for 1:25 a.m. About 2:57 a.m., the Soyuz will perform a partial flyaround of the station and begin station-keeping about 500 feet at 3:06 a.m. The final approach is set to begin at 3:15 a.m. leading up to the docking.

After docking, the hatch to the International Space Station will be opened at about 4:40 a.m. with Shepherd, Gidzenko, and Krikalev entering their new home in space for the first time. The event will be covered live via audio only but recorded on video. Video playback of the hatch opening will be shown on NASA TV at 6:20 a.m.

Once inside the station, the new residents will continue efforts of previous shuttle crews and ground controllers to bring the station to life. Their first steps in making the station a home include opening the hatch between the Svezda and Zarya modules, checking out communications systems, activating the food warmer, charging batteries for power tools, starting up water processors, and activating the toilet.

The Expedition 1 mission and station preparations have continued without interruption as the Soyuz spacecraft chased down the space station since Tuesday morning's launch. Three rendezvous burns were accomplished to bring the Soyuz into range for docking. A Progress supply vehicle was undocked late Tuesday from the station's aft port where the Soyuz will dock, and flight controllers in Houston activated and monitored life support and air purification systems on board the station.

At 8 p.m. the Expedition 1 crew's Soyuz trails the ISS by a little less than 4,000 statute miles, closing at about 713 miles each 90-minute orbit.

The Expedition crew will turn in for sleep at 10:45 a.m. Thursday for their first night aboard their new home.

All systems aboard the Soyuz spacecraft are in excellent shape and the space station remains in good condition.

The first full day on orbit for the crew, which includes Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev, included continued checkout of systems onboard as well as a handheld laser device that will assist in providing accurate distance of the Soyuz to the station.

The Progress supply vehicle, docked at the station since August, was commanded to undock at 10:02 p.m. CST on Tuesday and performed a deorbit burn two orbits later at 1:05 a.m. It reentered the atmosphere and burned up above the Southern Pacific Ocean between the Fiji and Solomon Islands.

Shortly after, Gidzenko maneuvered the Soyuz into position for a small 1.3 meter per second orbital correction burn lasting 3 seconds. The second rendezvous burn took place at 7:39 a.m. The resulting altitude from these maneuvers was 170 by 151 statute miles (275 by 243 kilometers). As of this morning, the Soyuz trailed the ISS by about 5,300 statute miles and is closing in at a rate of about 709 miles every orbit of the Earth.

During an early morning communication pass, Shepherd's wife, Beth, who also is his physical trainer, greeted him and his two Russian colleagues from the Mission Control Center in Korolev. He also received greetings from European Space Agency astronaut Christer Fuglesang on behalf of the U.S. team of flight controllers in Moscow that make up the Houston Support Group.

The crew turned in for the day at about 9 a.m., and will awaken tonight to begin the rendezvous and docking activities. The automated rendezvous sequence will begin at about 1 a.m. CST Thursday. The first of several rendezvous maneuvers is scheduled for 1:25 a.m. About 2:57 a.m., the Soyuz will perform a flyaround of the station and begin station-keeping about 500 feet at 3:06 a.m. The final approach is set to begin at 3:15 a.m., with docking at 3:24 a.m. CST.

Flight controllers in Houston continue to prepare the station for the arrival of its first live-aboard crew.

All systems aboard the Soyuz spacecraft are in excellent shape since its launch from the Baikonur Cosmodrome in Kazakhstan yesterday and the space station remains in good condition.

A little over one hour later at 4:23 a.m. CST, the hatch leading into the Zvezda's living quarters was opened, signifying the start of human occupancy of the international complex. Gidzenko and Krikalev floated into Zvezda first, at the request of their Commander.

Once inside the station, the crew members continued the work begun by shuttle crews and ground controllers to bring the station to life. Their first activities included checking out communications systems, activating food warmers, charging batteries for power tools, starting up water processors, and activating the toilet.

The first live television views of the crew inside the station were seen at 6:24 a.m. CST while the station was within range of Russian ground stations. The crew downlinked video footage of its entry into the station and received congratulatory messages from American and Russian officials at the Mission Control Center in Moscow.

The station crew members will turn in for an extended sleep period at 10:45 a.m. Thursday for their first night aboard their new home. They will be awakened at 10 p.m. to begin their first full day aboard the space station.

Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev successfully installed the Russian Vozdukh system in the Zvezda living quarters of the ISS today. The Vozdukh system is a regenerative air-scrubbing unit that removes carbon dioxide and essentially vents it overboard from the station. It will take the place of disposable lithium hydroxide canisters initially being used by the crew to absorb carbon dioxide. The Elektron system, a system that uses water to produce oxygen for the crew to breathe, is scheduled to be installed on Monday. It will be activated later. The crew is now using oxygen-generating canisters to replenish the onboard atmosphere.

Shepherd spent part of the day hooking up cables and laptop computers associated with the Station's Early Communications System, which when activated in the Zvezda living quarters enabled the Expedition crew to have extended conversations with flight controllers through U.S. satellites. The system, which is working well, also lets the crew members send and receive electronic mail files, images and video.

Krikalev worked through the day to install a central computer in Zvezda which will be used for a large share of commanding Russian module functions in this early phase of ISS assembly. Although he encountered some difficulty with the hookup of electrical cables, the computer was expected to be activated soon.

Krikalev, who is the first person to visit the ISS twice, joined Gidzenko to try to troubleshoot a problem with one of Zvezda's eight batteries, which has failed to charge properly since it was installed by a visiting Space Shuttle crew in September. Krikalev reported that one of the pins on the connector for one of the battery's electrical components appeared to be bent or broken. Russian flight controllers said they would conduct further analysis of the battery before any additional troubleshooting would be conducted. Zvezda's six operating batteries are producing more than enough power for Station systems.

The crew plans to work on Saturday and take a day off on Sunday. The normal work schedule for Expedition crews will call for five-day work weeks with weekends free.

Shepherd, Gidzenko and Krikalev began their sleep period aboard the ISS at about 2 p.m. Central time and will be awakened at about 10 p.m. tonight. The ISS is orbiting the Earth at an altitude of about 237 statute miles with its systems in good shape.

Early today, the crew -- Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev - powered up the Vozdukh system in Zvezda, a regenerative air-scrubbing system that removes carbon dioxide from the cabin and vents it overboard. The system has been confirmed working well by Russian flight controllers at Mission Control, Korolev, and the crew has discontinued use of disposable canisters that had initially been used to remove carbon dioxide.

The crew also installed the Elektron system, equipment that uses water to replenish the oxygen supply aboard the station. The Elektron system will be tested, but will not be used as the primary system for oxygen generation aboard the station for several weeks, until after the installation of United States-developed solar arrays by the next Shuttle mission to the complex, STS-97 to launch Nov. 30. The crew is now using about one oxygen-generating canister per day to replenish the onboard atmosphere.

The crew also successfully installed a compressor in the Zvezda air conditioning system for a test of its operation planned to take place tomorrow. The air conditioner provides some cooling in the module and also removes humidity. Even without the air conditioner operating, the average temperature aboard the station is about 75 degrees Fahrenheit and the relative humidity is estimated to be between 40-50 percent. Other equipment that the crew worked with during the day included setting up a Russian laptop computer system that is used, among other things, to track the station's inventory of equipment and supplies. In addition, the crew completed installing a central post computer today, a system that allows laptop computers to be used to monitor the operation of Zvezda systems.

Flight controllers are monitoring a potential close pass to the station by a piece of space debris being tracked by the U.S. Space Command. The latest predictions show that the debris will pass more than 2 kilometers from the station at about 12:43 a.m. Sunday. The current plan is to not perform any station maneuver to further avoid the debris.

The crew was scheduled to begin a sleep period at 1:30 p.m. CST and will awaken at 10 p.m. to begin a fourth day aboard the station. Tomorrow is planned to be primarily a day off for the crew. The crew is expected to maintain the same sleep schedule on Sunday. The normal work schedule for Expedition crews will call for five-day work weeks with weekends free. The ISS is orbiting the Earth at an altitude of about 237 statute miles with its systems in good shape.

Expedition One Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev also pressed ahead with additional cable installations for the Elektron oxygen generation system and continued work to set up laptop computers and their computer network system, which will enable them to send e-mail and other files to flight controllers in Moscow and Houston in the weeks ahead. Shepherd indicated that the crew was having some trouble booting up some of the computers on board, as well as locating compatible cables for the various U.S. and Russian computers. Flight controllers are working on solutions to enable the crew to have a complete e-mail capability within the next few days.

Meanwhile, Gidzenko and Krikalev completed the installation of hand controllers and a television monitor for the TORU system in the Zvezda module. TORU is a manual rendezvous system used by the crew in the event that the automated rendezvous system failed on final approach of an unmanned Progress resupply ship. The equipment was successfully tested in advance of the launch of the next Progress November 16. It is scheduled to dock automatically November 18 to the Earth-pointing docking port of the Zarya module.

The Elektron system may be activated later this week to generate oxygen for the crewmembers. It was installed and tested over the weekend. In the meantime, they are activating three oxygen-generating canisters each day inside Zvezda, as had been planned preflight. The Elektron's early activation is possible because of the restoration of a seventh battery in Zvezda, which had previously experienced a problem holding the proper voltage. Only one battery in Zvezda remains off-line, and may be restored with spare parts being delivered on next Progress vehicle.

All three Expedition crewmembers exercised for the first time today, pedaling around the world on a bicycle ergometer in Zvezda. Tuesday the crew will use a treadmill for the first time that was installed by Atlantis' astronauts on the STS-106 mission in September. The treadmill is equipped with special gear to eliminate vibrations from exercise, which would disturb sensitive microgravity experiments underway inside the station's laboratories in the future.

With the ISS flying smoothly at an altitude of 237 statute miles, the crew began its sleep period early this afternoon and will be awakened at about 10 p.m. Central time tonight.

Expedition One Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev reported the installation of the final cables to the Russian Elektron system, which produces oxygen by breaking down water through the process of electrolysis. The Elektron is expected to be activated on Thursday and become the primary source of oxygen generation onboard. Up to now, per the preflight plan, Shepherd, Gidzenko and Krikalev have been burning one oxygen producing canister each day per crew member to maintain the proper level of oxygen in the ISS modules.

Meanwhile, Gidzenko and Krikalev completed the installation of a television monitor for a manual backup rendezvous system in the Zvezda module called TORU. The system would be used to guide an unmanned Progress resupply ship in for docking to the ISS in the event the Progress' automated navigation system failed. The next Progress will be launched to the ISS November 16 with a docking planned two days later. The expedition crew will unload the Progress so it can be jettisoned one day after the launch of the Shuttle Endeavour on the STS-97 mission, providing the proper clearance for Endeavour's linkup to a newly installed docking port on the ISS.

The crew for that flight - Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Joe Tanner, Marc Garneau and Carlos Noriega - is at the Kennedy Space Center this week to simulate the final hours of the countdown. It is the final trip to Florida before the scheduled launch November 30 on the next ISS assembly flight to install the large U.S. photovoltaic solar arrays on the station. The arrays will make the ISS the most powerful vehicle ever to fly in space.

Before the crew began its sleep period today, Shepherd reminded flight controllers in Houston that he and his crewmates had completed their first week in space and would hold a "small celebration" to mark the milestone. The trio will be awakened around 10 p.m. beginning another night of work to setup their home in space.

The ISS continues to operate in excellent shape at an altitude of 237 statute miles.

ISS Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev reported that all of the gear associated with the Russian Elektron system has now been hooked up with the activation of the unit planned for Thursday. The Elektron uses the process of electrolysis to produce oxygen for the crew, while venting hydrogen overboard. Up to now, per the preflight plan, Shepherd, Gidzenko and Krikalev have been burning one oxygen-producing canister each day per crew member to maintain the proper level of oxygen in the ISS modules.

Krikalev successfully reactivated the ISS air conditioner after it shut itself down due to an excess amount of water in the condensate collection system. The condensate unit absorbs moisture from the air and needs to be emptied periodically. The unit was turned back on after a short outage and is operating normally.

Russian flight controllers continue to prepare for the next Progress resupply vehicle's launch next week from the Baikonur Cosmodrome in Kazakhstan. The Progress is loaded with supplies and spare parts for the crew. Launch is set for the night of November 15, U.S. time, at 7:32 p.m. CST (1:32 GMT November 16). Docking to the Zarya module's nadir port is scheduled for the night of November 17, U.S. time, at 9:07 p.m. CST (3:07 GMT November 18). The Progress will be unloaded by the crew prior to the launch of Endeavour November 30 on the STS-97 mission to deliver the first huge U.S. solar arrays to the ISS.

The crew for that flight - Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Joe Tanner, Marc Garneau and Carlos Noriega - spent several hours aboard Endeavour today conducting a simulated countdown for their planned liftoff in three weeks.

Before beginning his sleep period, Shepherd told flight controllers that the ISS was "beginning to feel like home". Tomorrow, the crew will mark the completion of its first week on board the expanding facility.

The ISS continues to operate in excellent shape at an altitude of 237 statute miles.

ISS Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev reported that the Elektron oxygen-generation system was turned on late Wednesday night at the start of their workday. The Elektron uses the process of electrolysis to produce oxygen for the crew, while venting hydrogen overboard. Up to now, per the preflight plan, Shepherd, Gidzenko and Krikalev have been burning solid fuel oxygen-producing canisters to maintain the proper level of oxygen in the ISS modules. The Elektron may be turned off from time to time to conserve electricity on board the ISS if the Station has to be maneuvered into an orientation, which reduces the electrical charge to Station systems through the solar arrays on the Zvezda and Zarya modules.

Once the large U.S. photovoltaic solar arrays are installed next month on the STS-97 mission, the Elektron can run continuously.

In addition to the Elektron, other Station life support systems, including a carbon dioxide removal system and an air conditioner are performing normally.

Russian flight controllers continue to prepare for the launch of the second Progress resupply vehicle next week from the Baikonur Cosmodrome in Kazakhstan. The Progress is loaded with supplies and spare parts for the Expedition One crew. Launch is set for November 15 at 7:32 p.m. CST (1:32 GMT November 16). Docking to the Zarya module's nadir port is scheduled for November 17 at 9:07 p.m. CST (3:07 GMT November 18).

To prepare for the arrival of the Progress, the crew will shift its sleep period about two hours later starting this weekend, typically going to bed at about 3:30 p.m. CST for 8 ½ hours of rest. The crew will be given three days off Saturday, Sunday and Monday to relax following a busy period of activity since launch on October 31.

Because of an increase in solar flare activity, which is expected to continue for the next 48 hours, the crew was asked to set up a radiation detection monitor in the Zvezda living quarters. The monitor would signal a tone if radiation levels reach higher than expected levels.

Flight surgeons say the increased potential for higher radiation poses no danger or health risk to the crew, but as a precautionary measure, flight controllers asked Shepherd, Gidzenko and Krikalev to sleep in the aft portion of Zvezda for the next two nights near the so-called transfer compartment, where there is increased shielding.

The ISS continues to operate in excellent shape at an altitude of 237 statute miles.

ISS Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev hooked up cables and other hardware to the Station's Motion Control System which will enable the ISS to automatically reactivate its jet thrusters after the docking of a Progress supply ship or a manned Soyuz vehicle. Normally, those jets are disabled just before a docking to prevent inadvertent jet firings, which could damage the solar arrays on arriving space vehicles.

The crew also configured data cables for the Zarya module's nadir, or downward facing docking port, to which the next Progress resupply ship will link up next Friday night. Launch of the Progress is set for November 15 at 7:32 p.m. CST (1:32 GMT November 16). Docking to the Zarya's nadir port is scheduled for November 17 at 9:07 p.m. CST (3:07 GMT November 18).

The Progress will contain about 2 tons of supplies and food for the crew, which will spend the better part of the next two weeks unloading the vehicle.

In addition, the three crew members spent some time today making headway in their hookup of computers and cables for the onboard laptop computer network.

The crew will be given three days off Saturday, Sunday and Monday to relax following a busy period of activity since launch on October 31. The only significant activity on tap for Saturday calls for the crew to begin the setup of ham radio equipment in Zarya. ISS crews will use that gear to talk to schools and other ham radio operators throughout the world as they orbit the Earth.

The ISS continues to operate in excellent shape at an altitude of 237 statute miles.

Commander Bill Shepherd, Soyuz Commander Yuri Gidzenko and Flight Engineer Sergei Krikalev completed a full rehearsal of the upcoming arrival and docking of the Progress resupply vehicle, with all systems checking out perfectly.

Gidzenko and Krikalev oversaw the test, activating all of the required station systems and simulating procedures they will follow for the actual automated rendezvous and docking. The rehearsal included maneuvering the station to the proper attitude, or orientation, for docking and activation of the TORU manual docking system that will be used should the automated KURS docking system encounter difficulties. Late last week, the crew had configured data cables for the Zarya module's nadir, or downward facing, docking port, where the Progress will be berthed.

Launch of the Progress is set for at 7:32 p.m. CST Nov. 15 (1:32 GMT Nov. 16). Docking is expected at 9:07 p.m. CST Nov. 17 (3:07 GMT Nov. 18). The Progress will contain about 2 tons of supplies and food for the crew, which will unload the vehicle during the next two weeks.

In addition, the crew activated and checked out medical equipment and participated in several medical tests, including body mass measurements and hearing assessments. They also exercised on the station's stationary bicycle and treadmill.

Keeping track of the many pieces of equipment and supplies also was part of the crew's day, as Shepherd conducted a routine equipment inventory and Krikalev worked to update the software on a bar-code inventory tool and management tool. Work on the software update will continue tomorrow.

The station remains in excellent shape, orbiting at an altitude of 240 statute miles.

Launch of the second Progress spacecraft to the ISS occurred at 7:33 p.m. Central time (1:33 GMT Nov. 16) from the Baikonur Cosmodrome in Kazakhstan. At the time of launch, the ISS was traveling off the West coast of Africa, just West of the nation of Gabon. Within 10 minutes, the Progress had reached its preliminary orbit with its solar arrays and antennas successfully deployed, headed for a linkup to the Station on Friday night at 9:07 p.m. Central time (3:07 GMT Nov. 18). Shortly before docking Friday, the Progress will execute a flyaround of the ISS, aligning itself to the nadir, or downward facing docking port on the Zarya module. The actual linkup will occur within sight of Russian ground stations. The Progress, which contains about 2 tons of clothing, food and spare parts for the crew, complements the Russian Soyuz vehicle, which is docked to the aft port of the Zvezda living quarters. The three crew members will unload the Progress over the next two weeks.

Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev concentrated today on conducting an inventory of the hardware on board, ensuring that all equipment is well cataloged so that new items arriving on the Russian cargo ship can be properly distributed and accounted for.

The crew also simulated the operation of the manual docking system in the Zvezda module, called the TORU, which would be used as a backup by Gidzenko to bring the Progress vehicle in for docking in the unlikely event its automated docking system failed. Gidzenko and Krikalev conducted the simulation, which was completed with no problems.

Krikalev inspected a connector on one of the Zvezda's battery cables, confirming that its connector has a bent pin, which prevented the battery from accepting a normal charge. The component was disconnected after the inspection, allowing the crew manually charge the battery, if required. Seven of Zvezda's eight batteries and charging systems are functioning in excellent shape, providing more than ample power for Station operations.

The ISS remains in excellent shape, orbiting at an altitude of 240 statute miles as it completes an orbit of the Earth every 90 minutes.

The Progress supply ship linked up to the orbiting outpost at 9:48 p.m. Central time (3:48 GMT Nov. 18), bringing Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev two tons of food, clothing, hardware and holiday gifts from their families. They will spend the next two weeks unloading the capsule, before it is jettisoned to burn up in Earth's atmosphere.

The second Progress to arrive at the ISS was manually guided in for its docking to the nadir, or downward facing docking port of the Station's Zarya module by Gidzenko after the automatic docking system on the Progress failed to lock on to a comparable system on Zarya.

Operating from a control panel in the Station's Zvezda living quarters, Gidzenko used a hand controller to slowly bring Progress to its linkup to the Zarya docking mechanism. A short time later, the crew began leak checks at the docking interface between the two craft before opening the hatch to the Progress cargo ship.

The docking occurred just hours after NASA managers selected November 30th as the launch date for the Shuttle Endeavour on the STS-97 mission to deliver the large U.S. solar arrays to the ISS. Plans call for the Progress to undock from the Station December 1st, clearing the way for Endeavour's arrival at a new docking port attached to the Unity module the following day.

The Expedition crew aboard the ISS will spend the next few hours deactivating Progress systems before beginning a lengthy sleep period early Saturday. They have no formal work schedule planned this weekend before a busy week next week dominated by the unloading of the Progress and the stowage of its cargo.

The International Space Station continues to orbit the Earth in excellent shape at an altitude of 240 statute miles, with its resident crew now well into its third week of work on board.

During communication sessions with Mission Control, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev reported that they are about 70 percent complete with their work to transfer the nearly two tons of food, clothing, hardware and holiday items from their families that were carried to the ISS. The unloading of the Progress is expected to be completed by Friday, well in advance of the launch of the Shuttle Endeavour next Thursday night on the STS-97 mission to deliver the large U.S. solar arrays to the orbiting outpost.

The Progress vehicle is expected to be undocked from the Station the day after Endeavour's launch to clear a path for the Shuttle to linkup December 2nd to a new docking port installed on the Unity module last month.

In the latter portion of their workday, the crew took a few minutes out from their chores to offer a Thanksgiving Day greeting to flight controllers who will be working both in Houston in the International Space Station Flight Control Room at the Johnson Space Center, and at the Russian Mission Control Center in Korolev, outside Moscow. The crew expressed its appreciation for the hard work offered in support of the Expedition One mission, and extended best wishes to all people for a happy holiday season. "When you ride a good rocket ship to orbit," said Shepherd, "you have a lot to be thankful for." Shepherd and his crew mates were launched on October 31st on a Russian Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan.

Shepherd, Gidzenko and Krikalev are scheduled to have a normal workday tomorrow and Friday, before enjoying off-duty time over the weekend. Next week, they will complete preparations for the arrival of Endeavour and the STS-97 crew -- the first of three shuttles that will visit the Expedition One crewmembers during their four-month stay on the Station.

The International Space Station continues to orbit the Earth in excellent shape at an altitude of 240 statute miles.

Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev performed routine maintenance activities on the station's humidity removal system, toilet and treadmill and replenished the Station's oxygen supply from tanks on the Progress vehicle. One of four ventilation fans in the Zvezda living quarters was shut down after a blade in the fan system apparently failed. A replacement fan will be installed by the crew with no impact to the environmental conditions on board.

The crew continued to prepare for the arrival of the first Shuttle crew to visit the inhabited Space Station. Space Shuttle Endeavour is scheduled for launch at 9:06 p.m. Central time Thursday on the STS-97 mission with a five-man crew to deliver the large U.S. solar arrays to the orbiting outpost. All preparations for Endeavour's launch continue without a hitch at the Kennedy Space Center and the weather forecast is favorable for an on-time liftoff.

About 13 hours after Endeavour's launch, the Progress supply vehicle is scheduled to be undocked from the Zarya module's downward facing, or nadir docking port and will be placed in a parking orbit by Russian flight controllers about 2500 kilometers away from the ISS. Over the next few weeks, U.S. and Russian managers will discuss whether to attempt a redocking of the Progress to the Station in late December or another rendezvous without a docking, to test a software patch as a solution an apparent problem in the Progress' navigation system which occurred during its automated approach to the ISS back on November 17 (U.S. time).

The Progress is scheduled to depart from the Station on Friday at about 10:20 a.m. Central time, clearing a path for Endeavour's linkup to a new docking port on the ISS on Saturday just before 2 p.m. Central time. The Expedition crew conducted a successful test of the Progress' external black and white camera today in advance of its undocking.

The ISS continues to orbit the Earth at an altitude of about 230 statute miles in excellent shape.

Currently flying approximately 8,000 statute miles (12,875 kilometers) behind and below the ISS, Endeavour's crew will spend much of today preparing for Saturday afternoon's docking with the station.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Joe Tanner, Marc Garneau and Carlos Noriega will begin checking out the systems they will use to deliver the station's first set of U.S. solar arrays. They will check out the Shuttle's robotic arm and space vision system to ensure they are working properly, and inspect the spacesuits and tools that Tanner and Noriega will use over the course of three scheduled space walks.

Jett and Bloomfield will execute rendezvous burns about 12:41 p.m., and 9:15 p.m. to bring Endeavour into the proper alignment with the ISS and close the gap between the two spacecraft, still half a world away from each other. The first burn went flawlessly a little before 1 a.m. Friday.

Aboard the space station, Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev continued preparations for the arrival of Endeavour's crew, undocking a Progress supply ship from the Zarya module to make room for Endeavour at a nearby Unity module docking port. The supply ship - now full of refuse and packing materials from the crew's first month on orbit - was undocked at 10:20 a.m. CST and moved to a parking orbit some 2,500 kilometers (1,554 miles) away. Over the next several weeks, Mission managers will be discussing whether or not to redock the Progress to the ISS late in December.

Endeavour's docking with the station remains on schedule for 2 p.m. CST Saturday. After Garneau and Bloomfield use the Shuttle's robot arm to attach the new solar arrays to the connecting framework delivered on STS-92, Noriega and Tanner will conduct three space walks making connections and helping activate the new sun-tracking, power generating panels of the 90-foot tall, 240-foot wide solar array structure.

The crew's first full day in orbit began with a wake-up call from Mission Control at 10:06 a.m. Friday to the sounds of "Stardust" by Willie Nelson, played for Canadian Space Agency astronaut Garneau.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Joe Tanner, Marc Garneau and Carlos Noriega checked out systems they will use to deliver the station's first set of U.S. solar arrays. They tested the power supply to the huge solar array structure. Tanner and Noriega also checked the spacesuits they will use during three space walks, on Sunday, Tuesday and Thursday.

Garneau and Bloomfield tested the shuttle's robotic arm, performing a survey of the payload bay using cameras attached to the arm, and checked out the Space Vision System, a computerized visual system that helps the arm operator determine distance and relative orientation of space station elements during assembly activities.

Jett and Bloomfield fired Endeavour's orbital maneuvering systems twice Friday, at about 12:41 p.m. and 9:24 p.m., to bring the orbiter into the proper alignment with the space station and close the gap between the two spacecraft. Endeavour is about 2,515 miles from the space station and now closing at a rate of almost 400 miles every orbit.

No problems were reported aboard Endeavour as the shuttle sails toward a docking with the ISS at 1:59 p.m. Central time Saturday.

On the International Space Station, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, continued preparations for the arrival of Endeavour. Their unmanned Progress resupply vessel was undocked at 10:23 a.m. Central time Friday to clear a path for Endeavour's arrival. The Progress will be left in a parking orbit well away from the ISS during Endeavour's visit, allowing flight controllers in Moscow and Houston the option of redocking it to the station after Endeavour departs.

The Expedition One crew went to bed about 3:30 p.m. and will be awakened at midnight to continue preparations to welcome the Endeavour astronauts. The space station crew's wake-up call comes at the same time Endeavour's crew begins an abbreviated seven-hour sleep period. Endeavour's astronauts will awaken shortly after 7 a.m. Central time Saturday to begin their rendezvous procedures.

With Expedition One crew members Bill Shepherd, Yuri Gidzenko and Sergei Krikalev looking on, Commander Brent Jett guided the shuttle to a smooth linkup with the ISS as the two craft sailed 230 statute miles above northeast Kazakhstan. Endeavour is attached to a new station docking port installed last month by the STS-92 astronauts.

The ISS residents went to sleep a short time after docking, to be awakened just after midnight for their 32nd day aboard the station. The station and shuttle crews are maintaining separate sleep cycles to match the work they need to accomplish during their week of joint activities.

A little over two hours after docking, Canadian Space Agency astronaut Marc Garneau maneuvered Endeavour's Canadian-built robot arm and grappled the 45-foot-long, 17 ½ ton P6 solar array truss structure at 4:17 p.m., lifting it out of its berthing latches in the shuttle's cargo bay a few minutes later. Garneau tilted the truss structure 30-degrees to the cargo bay, where it will remain overnight attached to the arm to properly warm its components. The P6 will be mated to the Z1 external truss atop the Unity module Sunday by Garneau with the assistance of space walkers Joe Tanner and Carlos Noriega during their 6½-hour excursion outside Endeavour.

After leak checks were completed between the two vehicles, and with Pilot Mike Bloomfield looking on, Tanner and Noriega made their way through Endeavour's docking tunnel and opened the hatch to the ISS docking port to leave supplies and computer hardware on the doorstep of the station. The hatch refused to open at first because of a slight pressure differential between Endeavour and the ISS, but Tanner used a little muscle to finally push it free. Shepherd and his crewmates are scheduled to enter the Unity module for the first time Sunday morning and will open their hatch to the docking adapter to retrieve the items left behind by their shuttle counterparts. The two crews will not greet each other face-to-face until Friday morning when the hatches are open between the two spacecraft following completion of the space walks.

Once the P6 is mated to the Z1 truss, the solar arrays tower will be commanded to unfurl, increasing the power supply to the ISS by five times its current output. The space walk by Tanner and Noriega is scheduled to begin at about 12:30 p.m. Sunday, but could start as much as 45 minutes earlier if they complete preparations ahead of schedule.

Endeavour's astronauts were set to begin an eight-hour sleep period at about 11:30 tonight and will be awakened at 7:36 a.m. Sunday.

The Endeavour-ISS complex is orbiting the Earth at an altitude of 235 statute miles with all systems operating in excellent fashion.

Commander Brent Jett and Pilot Mike Bloomfield will begin the final stage of rendezvous activities about 8:30 a.m., when they start setting up the aft flight deck controls. Endeavour will approach the station from below to line up with the Earth-facing docking port of the Unity module and avoid disturbing the station and its solar arrays with thruster jet debris. A maneuvering jet firing is scheduled for 10 a.m., with the Shuttle's rendezvous radar system beginning to provide supplemental navigation information about 10:50 a.m. The final burn, called the terminal initiation or Ti burn, will occur at 11:33 a.m.

On the International Space Station, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, will monitor Endeavour's approach and docking, communicating with the shuttle using air-to-air radio signals.

When Endeavour is about 2,000 feet away, almost directly below and behind the International Space Station, Jett will take manual control of the approach, and with the help of crew members operating computer tracking programs and hand-held laser distance measuring devices, guide the Shuttle to a point about 500 feet below the station. At this point, he will rotate Endeavour 180 degrees into a "tail forward" attitude for the final approach and docking. Jett will pause Endeavour's approach at a distance of 30 feet before moving in for docking just before 2 p.m. CST.

Solar arrays on the Zarya and Zvezda modules will be repositioned by flight controllers in Moscow to minimize structural loads as the two spacecraft come together at the newly installed Unity docking port called Pressurized Mating Adapter-3. Both the station and Endeavour will turn off their attitude control systems and drift freely as the Shuttle docking system pulls the two space vehicles together and forms a rigid bond, or "hard dock." Then, the solar arrays will begin tracking the sun again and Endeavour's steering jets will take over attitude control of the station.

About 3 p.m. today, Mission Specialist Marc Garneau will use the Shuttle's robot arm to lift the P-6 solar array out of its payload bay moorings and park it above the bay so that its temperature can begin equalizing with that of the station. Meanwhile, Mission Specialists Joe Tanner and Carlos Noriega will open the hatches and enter the Unity module's docking vestibule, where they will install electrical grounding straps and leave supplies for the station crew to retrieve later.

The Expedition 1 crew will go to bed about 3:30 p.m., and the Endeavour crew will follow suit at 11:36 p.m.

Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev entered the Unity module for the first time since their arrival aboard the station 33 days ago at 3:38 a.m. CST Sunday, and retrieved items that were left in the docking compartment by Endeavour's crew after their 2 p.m. Saturday docking. The items included a new laptop computer and headsets for the station's two-way videoteleconferencing system, a new hard drive for a Russian laptop, large bags full of water, packaged Russian and fresh American food items -- plus a special care package.

Shepherd voiced special pleasure at receiving some fresh coffee and a large pair of vice grip pliers. He announced that the Expedition 1 crew would be taking a coffee break as soon as it completed the transfer of the items into the Russian living quarters and resealing the hatch into the Unity module, and added that the new pliers should come in handy for assembly and maintenance work.

Although the Expedition 1 crew came within one hatch of its colleagues - Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Carlos Noriega and Joe Tanner -- the two crews will not greet each other face-to-face until Friday morning following completion of three planned space walks to install and activate the new 17-ton solar array tower.

The first space walk by Tanner and Noriega is scheduled to begin about 12:30 p.m. Sunday, but could start 45 minutes earlier if they complete preparations ahead of schedule. Using the shuttle's robot arm, Garneau is scheduled to move the new solar array into position above the Z1 truss structure of the Unity module about 10:21 a.m. CST, and drive it home to its installation point about 1:06 p.m. Tanner and Noriega will secure bolts on each of the four corners of the array assembly before Garneau releases the arm's grip. Bloomfield will take over arm operations and maneuver Noriega around the array so he can connect nine power, command and data cables. At the same time, Tanner will release the two Solar Array Blanket Boxes, and then he and Noriega will release the two Solar Array Wing launch restraints. The two space walkers will put the blanket boxes into the ready to deploy position, and free the folding mast before cleaning up and moving back into the shuttle about 7:16 p.m. CST. Jett will send the command to deploy the ISS Solar Arrays at 5:11 p.m. CST. The Solar Array Photovoltaic Radiator is scheduled for its deployment a little over 3 hours later at 8:36 p.m.

With the International Space Station complex orbiting the Earth at an altitude of 235 statute miles in fine fashion, the Endeavour crew received a wake-up call at 7:36 a.m. CST. The Expedition 1 crew goes to bed at 3:36 p.m.

Deployment of the port wing was delayed while ground controllers studied an apparent slackness in one of two blankets that make up the starboard structure. They believe that two tensioning cables had jumped off their guides during deployment. Despite that anomaly, the starboard array is functioning well and producing electricity. The slackness should have no effect on its ability to produce power for the space station.

Deployment of the second solar wing brings to 240 feet the span of the station's solar arrays. This array is 38 feet across and can produce as much as 60 kilowatts. It has a 15-year designed lifetime. It is the first of four such arrays that eventually will supply power to the station, enabling it to conduct basic and applied research in its microgravity environment.

The deployment was scheduled to begin with Endeavour and the space station in daylight and with television available so that array experts could watch the deployment from Mission Control. The port wing began to move from the two boxes that housed its two solar blankets and the mast canister between them that housed the lattice structure that pushed their ends outward, after a computer command by Endeavour commander Brent Jett. The deployment was slow, with stops and starts. It was completed, after two rows of solar panels stuck together were shaken lose by slightly retracting, then extending the arrays again, at 8:46 p.m.

Jett and the other four astronauts aboard, pilot Mike Bloomfield and mission specialists Joe Tanner, Carlos Noriega and Canadian Marc Garneau, had a relatively quiet day Monday. They conducted an extensive camera survey of the starboard array before deployment of its twin began. They also did housekeeping chores and monitored Endeavour systems before their scheduled sleep period beginning about 11 p.m.

Aboard the space station, the Expedition One crew, commander Bill Shepherd and cosmonauts Yuri Gidzenko and Sergei Krikalev, continued their work to outfit the ISS. After a wakeup tone at midnight - about the time the Endeavour crew went to bed -- the station crew installed a dust collector fan, collected condensate water samples, replaced a microprocessor and made observations of Patagonian glaciers. They will meet face-to-face with Endeavour crewmembers on Friday, after all three spacewalks by Tanner and Noriega have been completed.

The second of those spacewalks is scheduled for Tuesday. Its main purpose is to install data and power cables to allow the space station to use electricity generated by the new solar arrays.

Carlos Noriega and Joe Tanner began their space walk at 11:21 a.m. Before moving on to the cable connections, they surveyed the starboard solar wing to better understand the condition of the tensioning system that extends one of its two solar array blankets. Engineers, flight controllers and managers continue to develop possible plans for Noriega and Tanner to further tension that blanket on the third space walk, scheduled for Thursday.

During their 6 hour, 37 minute space walk, Noriega and Tanner moved the S-band antenna assembly to the top of the solar array tower. They also released restraints holding a radiator to the tower's side. It is designed to help cool Destiny. That radiator was deployed after the space walk.

Destiny is scheduled to be launched to the space station Jan. 18. The docking port, Pressurized Mating Adapter 2, will be moved temporarily from its spot at the forward end of the Unity module, where the laboratory will be attached. The docking port then will be placed on the forward end of Destiny.

Endeavour Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialist Mark Garneau supported the space walk. Inside the space station, the Expedition One crew, Commander Bill Shepherd and cosmonauts Yuri Gidzenko and Sergei Krikalev, went into Unity for the second time in their 35 days aboard the station. There they reconfigured cables to route electricity from the new solar arrays to the rest of the space station.

The work kept the station crew members up past their scheduled 3:36 p.m. bedtime. Endeavour's crew was scheduled to begin its sleep period about 10:30 p.m., and are scheduled to be awakened at 6:36 a.m. on Wednesday.

The second space walk brings this crew's total to 14 hours and 10 minutes outside the space station, and total space walk time outside the station for all flights to 83 hours and 44 minutes.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Carlos Noriega, Joe Tanner and Marc Garneau were awakened at 7:06 a.m. CST Tuesday. The crew started its day with the University of Southern California's fight song, "Fight On," played for graduate Noriega.

Tanner and Noriega are scheduled to begin their six-hour space walk at 11:56 a.m. CST, or a little earlier if they are ready. The main objective is to reconfigure electrical connections so that power from the newly installed P6 solar arrays can flow to the U.S. elements of the station.

After the second set of solar array blankets was successfully deployed Monday, all of the new power-generating unit's batteries - six on each side for a total of 12 - have been fully charged and are ready to send electricity to the Unity module.

Noriega will work on the port side of the truss structure, moving cables from one connector to another to transfer power, and then removing a thermal shroud from a power conditioner. Tanner will remove a similar shroud from a signal processor and prepare to relocate the S-Band Antenna Subassembly from the Z1 truss, where it was temporarily stowed by the STS-92 crew in October.

The space walkers will be looking down on the space station from high above when they move the dish-shaped, high-data-rate antenna. Inside the shuttle, Bloomfield will maneuver the robot arm as far as it will reach up the truss structure, then Tanner and Noriega will alternate possession in a series of "leap frog" exchanges until the antenna assembly is installed on the Integrated Equipment Assembly. While there, they will take care of an added task - "eye-balling" the take-up reels on the starboard solar array's tension cables. During Sunday's deployment, the cables apparently slipped off the reels. Engineers on the ground are considering whether to attempt to tighten the cables manually on the third planned space walk Thursday.

Inside the station, Expedition 1 Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev will enter the Unity module for the second time and in their 35 days aboard the station and reconfigure power cables there to accept the newfound source of electricity. They are expected to be inside Unity for about an hour.

The remaining EVA tasks are designed to pave the way for the arrival of the U.S. Laboratory Destiny early next year. Tanner and Noriega will remove umbilicals from Pressurized Mating Adapter-2, connecting them to a dummy panel on that docking port and preparing it for relocation to the end of the Destiny module, which will be connected to Unity on the STS-98/5A mission.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Joe Tanner and Carlos Noriega were roused at 6:36 a.m. by a Puccini opera aria, " O Mio Babbino Caro," intended especially for Garneau.

Soon after this morning's wake-up call, Noriega and Tanner received word they will have an additional task on their Thursday space walk. Station and shuttle engineers and managers sent up plans for adjusting the tension levels of the solar blankets on the starboard solar array. The plan calls for the shuttle crew to retract the array's mast two to three feet to generate some slack in the tension cables. Noriega will pull the slack through each spring-loaded take-up reel, then Tanner will manually "wind" the tension reels. When each has reached its limit, Tanner will let it unwind by spring force while Noriega guides the cable on to the reel grooves. The outboard reel will be first, followed by the inboard reel.

The new solar arrays and electrical system continue to work well, generating power that has now been routed all the way to the Russian space station modules. Tuesday's space walk and associated internal work by Expedition 1 Commander Bill Shepherd, Sergei Krikalev and Yuri Gidzenko enabled all of the interfaces needed to send power to the Zarya and Zvezda modules. By about 9 a.m. CST today, flight controllers had configured the American-to-Russian Converter Units so that an additional 3 kilowatts of electricity is available to the Russian modules. This brought the total power available to Zvezda up to about 6 to 7 kilowatts; once enabled, the Zarya module will have up to 5.5 to 7 kilowatts available.

Wednesday, Shepherd went back inside the Unity module about 4:30 a.m. CST to install electrical outlets inside Unity and separate the power feeds going to the early communication and S-band communication systems, providing additional redundancy.

Although Shepherd was scheduled to leave the hatch between the Russian elements and the Unity module open today, it may be closed about 10:30 a.m. to manage rising humidity levels caused by a failure in Zvezda's air conditioning system. Krikalev and Gidzenko are working a maintenance and repair procedure on both the air conditioning system and Vozdukh carbon dioxide removal system.

Space walk preparations focused on techniques to tighten one of two solar blankets on the starboard wing. They got the word that task had been added to the space walk schedule shortly after they were awakened about 6:30 a.m. They reviewed the procedures during a conference with flight controllers later in the day.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau will support Tanner and Noriega from the Endeavor's crew compartment, retracting by two or three feet the mast extending the two blankets of the starboard wing.

Once the mast is shortened, Noriega will pull the slack in the tensioning cables through each spring-loaded take-up reel. Tanner will manually "wind" the spring-loaded tension reels. When each has reached its limit, Tanner will let it unwind by spring force while Noriega guides the cable on to the reel grooves. The outboard reel will be done first, followed by the inboard reel. The cables apparently came out of the grooves when the wing was extended on Sunday. Both wings of the 240-foot-long, 38-foot-wide array continue to function well, producing power to the space station.

After the solar wing repair, Tanner and Noriega will install the Floating Potential Probe atop the P6 structure. It measures the electrical potential of plasma around the station.

Expedition One Commander Bill Shepherd and cosmonauts Sergei Krikalev and Yuri Gidzenko had a busy day aboard the space station. They installed a new air conditioning unit brought up by the Progress supply vessel which docked with the station Nov. 17 to replace one that had failed earlier in the week. The new unit is functioning well. The crew also replaced a malfunctioning fan in the Vozdukh carbon dioxide removal unit, bringing that life-support unit back on line.

Shepherd went back inside the Unity module about 4:30 a.m. Wednesday to install electrical outlets and air ducts and separate the power feeds going to the early communication and S-band communication systems, providing additional redundancy.

Endeavour's crew was scheduled to go to bed a little after 10 p.m., about two hours before the space station crew was to be awakened at 12:06 a.m. Thursday. The wake-up call for the STS-97 crew will sound at 6:06 a.m.

After carefully going through the plan with Mission Control on Wednesday and receiving descriptions and videotapes of fellow Astronaut David Wolf performing the additional task on the ground, Commander Brent Jett and his crew voiced optimism they could accomplish the new task.

Mission Specialists Joe Tanner and Carlos Noriega will float out the shuttle's hatch at 10:51 a.m. CST and move up to the top of the new solar array truss structure. Jett, Pilot Mike Bloomfield and Mission Specialist Marc Garneau will retract the mast extending the two blankets of the starboard solar array wing approximately two or three feet. Once the mast is shortened, Noriega will pull the slack in the tensioning cables through each take-up reel. Tanner will manually turn the spring-loaded tension reel until it reaches its limit and then will let the reel unwind by spring force while Noriega guides the cable onto the reel grooves. The outboard reel will be done first, followed by the inboard reel.

The 240-foot-long, 38-foot-wide solar array continues to function well, sending power to the International Space Station. The starboard array's cables apparently came out of the reel grooves when the wing was extended on Sunday. The port solar array wings were deployed to their full tension Monday using a modified deployment technique.

After the solar wing repair, Tanner and Noriega will install the Floating Potential Probe atop the P6 structure. The probe will measure the electrical potential of plasma around the station. Plasma Contactor Units already are at work on the solar array truss, emitting electrons that complete an electrical circuit and avoid the potential for arcing.

Expedition One Commander Bill Shepherd and cosmonauts Sergei Krikalev and Yuri Gidzenko awoke just after midnight CST and continued packing up items that will be returned to Earth aboard Endeavour. They also set up, but did not activate, a wireless instrumentation system that will attempt to measure and further model the structural integrity of the station as shuttle steering jets fire.

Humidity levels are coming down in the station after Wednesday's successful installation by the crew of a new air conditioning unit. The crew also replaced a malfunctioning fan in the Vozdukh carbon dioxide removal unit, bringing that life-support unit back on line. The hatch between the Zarya and Unity modules remains open indefinitely. The two crews are scheduled to meet inside Unity about 8:30 a.m. Friday.

Endeavour's crew was awakened at 6:06 a.m. CST to the sounds of the Beatles' "Here Comes the Sun," sent up for Joe Tanner. The station crew is scheduled to go to bed at 3:36 p.m. CST, and the shuttle crew will begin its sleep shift at 10:06 p.m.

"We had a great day," Glenda Laws, lead EVA officer, said at an evening briefing.

Space walkers Joe Tanner and Carlos Noriega also installed a centerline camera cable outside the Unity module. It will transmit television images to help a shuttle crew attach the U.S. laboratory Destiny next month. The last of their scheduled tasks was installation of the Floating Potential Probe. The FPP, atop the P6, measures the electrical potential of plasma around the station. The evergreen tree image was on a transfer bag they attached to the FPP symbolizing "topping out" of the space station - a tradition followed by Earth-based construction workers when a building reaches its final height.

The blanket tensioning task had been quickly and carefully planned. On Wednesday Mission Control sent up to Endeavour descriptions of the task and video of fellow Astronaut David Wolf performing the solar blanket work on the ground.

The space walk began at 10:13 a.m., more than 35 minutes earlier than planned. After the space walkers moved to the top of the P6, crew members inside Endeavour, Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialist Marc Garneau retracted the mast extending the starboard wing, which had been deployed Sunday, by two or three feet. Noriega pulled the slack tensioning cables through each take-up reel. Tanner turned the spring-loaded tension reels, then let them unwind while Noriega guided the cable onto the reel grooves, tensioning the slack blanket. The 240-foot-long, 38-foot-wide solar array continues to function well.

The scheduled activities went so smoothly that Tanner and Noriega were able to complete some "get-ahead" tasks for the next scheduled space walks outside the space station in January. These included installing a sensor on a radiator, installing small antennas and doing a photo survey. Even so, they were able to conclude their space walk at 3:23 p.m., after 5 hours and 10 minutes outside. This brings total space walk time during STS-97 to 19 hours and 20 minutes, and total space walk time outside the station to 88 hours and 54 minutes.

The space station's crew, Commander Bill Shepherd and cosmonauts Sergei Krikalev and Yuri Gidzenko, packaged items for transfer to Endeavour and return to Earth. Their scheduled sleep period began a little after 3:30 p.m. They were to be awakened at 12:06 a.m. Friday. Endeavour's crew was scheduled to go to bed a little after 10 p.m. and be awakened at 6:06 a.m. Friday.

The two crews will meet face to face, for the first time since Endeavour docked to the space station last Saturday, a little after 8:30 a.m. Friday.

The crews of the International Space Station and Space Shuttle Endeavour opened the last hatch separating them at 8:36 a.m. Space station commander Bill Shepherd and cosmonauts Yuri Gidzenko and Sergei Krikalev greeted the Endeavour astronauts, Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Carlos Noriega and Joe Tanner, with handshakes.

The two crews had remained separated because the pressure aboard Endeavour had been reduced to help prepare Tanner and Noriega for their space walks.

The solar arrays they helped get ready for deployment and later repaired are functioning well. Systems aboard the space station are working well and Endeavour is performing almost perfectly.

"It has been a great mission," lead shuttle flight director Bill Reeves said at a Friday briefing. All objectives already have been accomplished, he said, except for the fly around of the space station by Endeavour after the Saturday undocking.

The eight crew members worked together to transfer equipment and supplies between the two spacecraft, and take refuse from the station aboard Endeavour for return to Earth. They did structural tests of the station and its solar arrays. They also finished setting up and checking out a TV system. Tanner and Noriega installed a cable for that system Thursday during their third space walk. The system will help a shuttle crew attach the U.S. laboratory Destiny to the station during a January mission.

Both crews held a news conference beginning at 3:57 p.m. Friday. They spoke live with reporters at Johnson Space Center in Houston, at Kennedy Space Center in Florida and at Canadian Space Agency headquarters near Montreal. Immediately afterwards they talked with the Discovery Channel.

The space station crew was scheduled to go to bed about 6 p.m. and wake up at 2:36 a.m. on Saturday. The shuttle crew will begin its sleep period about 10 p.m. and be awakened at 6:06 a.m. Saturday. Endeavour is scheduled to undock from the space station at 1:13 p.m. Saturday and, after the flyaround of the ISS, begin final separation at 2:17 p.m.

The crew of the Space Shuttle Endeavour and the station's Expedition 1 crew opened the hatches of their respective spacecraft at 8:36 a.m. CST Friday. Station Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev shook hands with their first station guests in 38 days -- STS-97 Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Carlos Noriega and Joe Tanner.

The meeting was the first face-to-face contact between the crews, even though their spacecraft have been docked together since last Saturday, orbiting the planet at an altitude of 230 statute miles. At least one hatch remained closed at all times to maintain different atmospheric pressures so that the shuttle crew could conduct three spacewalks and succeed in its primary mission objectives, the delivery, installation and activation of the first U.S. solar power system for the International Space Station.

The new solar arrays are working well, converting the Sun's rays into electricity and providing an average of 13 kilowatts of additional energy for use by the space station, supplementing the power supplied by solar arrays on the Russian Zarya and Zvezda modules. Other station systems, including a carbon-dioxide removal system and an air conditioner that failed earlier in the week but were repaired by the station crew, are working well.

After a short welcoming ceremony and safety briefing, the eight spacefarers got right to work conducting joint activities including structural tests of the station and its solar arrays, transfer of equipment, supplies and refuse back and forth between their two spacecraft and checking out a television camera cable that will help the next shuttle crew deliver and install the station's first laboratory module, Destiny.

A joint crew news conference is scheduled for 3:57 p.m. CST today.

The space station crew is scheduled to go to bed about 6 p.m. CST, and the shuttle crew a little later about 10 p.m.

Bob Cabana, ISS manager for International Operations, said at a Saturday afternoon briefing after Endeavour's undocking that the ISS is "a fully functional space station that is growing by leaps and bounds." Endeavour left the P6 solar array structure on the station, with wings stretching 240 feet from tip to tip. It can provide as much as 60 kilowatts of power under ideal conditions.

The shuttle and the space station closed the last hatch linking them at 9:51 a.m. Undocking took place as scheduled, at 1:13 p.m. The shuttle and space station had been docked to one another for 6 days, 23 hours and 13 minutes. Endeavour moved downward from the space station, then began a tail-first circle at a distance of about 500 feet. The maneuver, with pilot Mike Bloomfield at the controls, took about an hour.

While Endeavour flew that circle, the two spacecraft, moving at five miles a second, flew about two-thirds of the way around the Earth. Undocking took place 235 statute miles above the border of Kazakhstan and China. When Endeavour made its final separation burn, the orbiter and the space station were near the northeastern coast of South America.

Shortly after undocking, Expedition One commander Bill Shepherd radioed a "well done Endeavour" to commander Brent Jett, Bloomfield and mission specialists Marc Garneau, Joe Tanner and Carlos Noriega. Jett radioed the station crew best wishes for the rest of its mission. Shepherd and cosmonauts Yuri Gidzenko and Sergei Krikalev will spend about three more months aboard the space station.

Late in the day, Canadian astronaut Garneau talked with John Manley, Canadian minister of foreign affairs and international trade, Mac Evans, Canadian Space Agency president, and elementary school children at the Museum of Science and Technology in Ottawa.

Before going to bed at 10:06 p.m. the STS-97 crew got some off-duty time and adjusted the shuttle's orbit to give it an additional landing opportunity in Florida. Endeavour is to touch down at 5:04 p.m. CST Monday at Kennedy Space Center.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Joe Tanner and Carlos Noriega left behind Expedition 1 Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, who still have three more months of space station living ahead of them.

Before closing the hatches over the northern portion of the Persian Gulf, the two crews completed final transfers of supplies being delivered to the station and used equipment along with other items that were removed from the station for return to Earth.

Endeavour and the STS-97 crew will perform a full fly-around of the station before firing the shuttle's thrusters to leave the vicinity of the station 240 statute miles above the Earth and begin heading for home.

The crew's wake-up call today was "Back in the Saddle Again," by Gene Autry in honor of Bloomfield, who is making his second space flight and his second fly-around of a space station. The first was STS-86, on which he steered Atlantis around the Russian Space Station Mir.

Canadian astronaut Garneau is scheduled to talk with John Manley, Canadian minister of foreign affairs and international trade, Mac Evans, Canadian Space Agency president, and elementary school children at the Museum of Science and Technology in Ottawa at 5:26 p.m. CST.

Before going to bed at 10:06 p.m. CST, the STS-97 crew will enjoy some off-duty time and adjust the shuttle's orbit to enable additional landing opportunities in Florida. Landing is scheduled for 5:04 p.m. CST Monday at Kennedy Space Center.

The weather forecast for the anticipated landing time at Kennedy Space Center calls for a slight chance of showers in the area, and flight controllers will continue to monitor the weather conditions in Florida tomorrow. Landing opportunities are available at Edwards Air Force Base in California as well on Monday, and flight controllers could opt to send Endeavour there if conditions warrant. The weather at Edwards is predicted to be favorable.

There are two landing opportunities on Monday at Kennedy Space Center. The second is at 6:41 p.m. Edwards has three opportunities. The first is at 6:35 p.m. CST, the second at 8:09 p.m. and the third at 9:46 p.m.

Endeavour's five crew members, Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Carlos Noriega and Joe Tanner, were awakened at 6:06 a.m. They checked out the flight control surfaces - the rudder and flaps that will control Endeavour after it enters the atmosphere. They also checked out the reaction control system thrusters that will keep the orbiter in the proper attitude as it begins its fiery re-entry.

Jett, Tanner and Noriega talked with reporters from the Associated Press and the Telemundo and Univision networks a little before 3 p.m. Sunday, before focusing on their stowage tasks. Endeavour's crew was scheduled to begin its sleep period just after 10 p.m. and to be awakened at 6:06 a.m. Monday to begin landing-day activities.

Aboard the station, now about 1,250 miles behind Endeavour, Expedition 1 Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev were awakened at midnight. They had a light day, doing housekeeping tasks and speaking with family and friends via radio. Their scheduled sleep period began about 3:30 p.m.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Carlos Noriega and Joe Tanner were awakened at 6:06 a.m. CST, as Endeavour led the station on orbit by about 530 nautical miles.

Aboard the station, Expedition 1 Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev had been awake since midnight, enjoying a light-duty day of housekeeping and communications passes with friends and family members.

Endeavour's morning wake-up music was "Beyond the Sea," sung by Bobby Darin -- a reference to the traditions observed on the station by Navy Commander Jett and Navy Captain Shepherd, including the ringing of the station's ship's bell when the shuttle crew departed Saturday.

Today, Jett and Bloomfield will check out the systems that will be used for landing. A test of the aerodynamic control surfaces they will use to steer Endeavour like a glider through the atmosphere is set for 10:06 a.m. CST. A hot-firing of the reaction control system jets they will use to guide the shuttle out of orbit is set for 11:16 a.m.

After lunch, Jett, Tanner and Noriega will talk with reporters at the Associated Press, and the Telemundo and Univision Networks at 2:51 p.m. CST. The entire crew then will stow away the gear that was used on the space station assembly mission.

Endeavour is scheduled to touch down at 5:04 p.m. CST Monday at Kennedy Space Center.

Commander Brent Jett, Pilot Mike Bloomfield and Mission Specialists Carlos Noriega, Marc Garneau and Joe Tanner will move into their formal de-orbit preparation timeline about noon. For the first landing opportunity of the day, Entry Flight Director LeRoy Cain would give the crew a "go / no go" call on closing Endeavour's payload bay doors about 1 p.m.

There are two landing opportunities in Florida today, the first beginning with an orbital maneuvering system engine firing at 3:57 p.m. CST, and culminating in a landing on Shuttle Landing Facility runway 15 at 5:04 p.m. CST (6:04 p.m. EST). In the event weather precludes a landing on that first opportunity, a second landing opportunity exists one orbit later with a de-orbit burn at 5:35 p.m. CST, resulting in a 6:40 p.m. (7:40 p.m. EST) landing at the Kennedy Space Center. If that second opportunity is selected, residents along the Gulf of Mexico may have a good view of Endeavour's plasma trail as it blazes through the atmosphere on its way home to Florida.

Preliminary weather forecasts, while basically favorable for landing, call for a slight chance of showers in the vicinity of the Shuttle Landing Facility today. Landing opportunities also are available at Edwards Air Force Base in California, and flight controllers could decide to send Endeavour there if conditions warrant. Edwards has three landing opportunities at 6:35 p.m., 8:09 p.m. and 9:46 p.m. CST.

Aboard the International Space Station, now about 1,500 miles behind Endeavour, Expedition 1 Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev are taking advantage of the additional space offered by the Unity module.

With additional power provided by the station's new solar arrays -- delivered and installed by Endeavour's crew - the station crew now has continuous access to that module. Early this morning, Shepherd provided flight controllers with views of a cluttered module, and asked for the crew to have time for some housekeeping on Tuesday. Shepherd indicated he had elected to spend much of Monday setting up a new resistance exercise device in Unity, and looked forward to opening the hatch in the docking port vacated by Endeavour so that it can be used as closet space.

Commander Brent Jett guided Endeavour to a landing at 5:03 p.m. Central time, 36 minutes after sunset, wrapping up a 4,476,164 million mile (7,203,687 kilometers) mission that saw three space walks conducted to install, checkout and activate the first of four planned sets of solar arrays that will operate on the facility. Jett and his crewmates, Pilot Mike Bloomfield and Mission Specialists Marc Garneau, Joe Tanner and Carlos Noriega touched down on Runway 15 at the Florida spaceport to wrap up the fifth and final shuttle flight of the year, heralding their arrival with an early evening twin sonic boom as the shuttle went subsonic just minutes before reaching its landing strip.

It was the 16th night landing in shuttle program history.

Four minutes before landing, the International Space station flew almost directly over Kennedy Space Center, with the Expedition One crew of Bill Shepherd, Yuri Gidzenko and Sergei Krikalev asleep, having completed their 41st day in space and their 39th day aboard the international outpost. They are due to be awakened just after midnight Central time to begin a day highlighted by the reconfiguration of systems to accept the new supply of power from the huge solar wings on the station.

The five crew members are scheduled to be reunited with their families within a few hours of landing and will spend the night near the Kennedy Space Center to relax. The crew is scheduled to return to Houston and a welcoming ceremony at Ellington Field about 4 p.m. Central time Tuesday.

With Endeavour's landing, the stage is set for the next shuttle flight of Atlantis in about five and a half weeks to deliver the U.S. Laboratory "Destiny" to the International Space Station, the cornerstone of scientific research on the growing complex.

Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev tidied up the ISS after last week's departure of Endeavour's astronauts who installed of the huge solar array truss structure on the Station. Around 50 kilowatts of power are being generated by the arrays, which span 240 feet from wing tip to wing tip.

The Expedition crew members worked to transfer electricity to the Zarya and Zvezda modules to augment the power being generated from the solar panels on the two Russian segments and have conducted tests with two radiators which were deployed from the U.S. solar array truss designed to dissipate heat from the truss itself.

Flight controllers in Houston at the Johnson Space Center conducted additional tests with the newly activated S-band communications system and report that the assembly, which is mounted at the top of the solar array truss, is providing 10-15 per cent greater coverage for low data rate telemetry than before Endeavour's visit.

Engineers reported that the Floating Potential Probe device installed on the array truss has sent data to the ground indicating that the so-called Plasma Contactor Units located on the Station's Z1 truss are discharging excess electricity from the ISS as it moves through low Earth orbit at a speed of about 5 miles a second.

The Expedition crew is preparing for the arrival of Atlantis in January on the STS-98 mission to deliver the U.S. Laboratory Destiny to the expanding facility. Atlantis may roll out to its launch pad at the Kennedy Space Center as early as this weekend pending a successful analysis of cabling associated with the system which detonates separation bolts on the Shuttle's Solid Rocket Boosters. The analysis comes in the wake of the failure of one of those bolts to operate properly during Endeavour's climb to orbit November 30.

Meanwhile, the Expedition crewmembers will spend two extra weeks in orbit due to the delay in the launch of their ride home --- Discovery --- on the STS-102 mission. Originally scheduled for launch on February 15 to bring the Expedition Two crew to the ISS to replace Shepherd, Gidzenko and Krikalev, Discovery is now targeted for launch March 1 due to additional time needed to replace 10 jet thrusters on the orbiter. The Expedition One crewmembers have plenty of supplies on board and the extra two weeks aloft will have no impact on their operations.

U.S. and Russian ISS managers continue discussions regarding the possible redocking of an unmanned Russian Progress resupply vehicle to the Station later this month. The Progress, which delivered food and supplies to the Expedition One crew in November, was undocked on December 1 and placed in a parking orbit several hundred miles away from the ISS. Russian flight controllers are interested in returning the Progress to the ISS to be used as a trash receptacle for the crewmembers prior to the launch of Atlantis to the Station next month. A window of December 24-28 is being discussed for the potential redocking because of good lighting conditions for the operation, which would be conducted by Gidzenko, using a manual navigation system at a control panel inside Zvezda.

The ISS is orbiting at an altitude of 230 statute miles in excellent shape with the Expedition One crew in its 44th day in space and its 42nd day on board the outpost.

A status briefing with Expedition One Lead Flight Director Jeff Hanley to discuss the progress of the mission will be held on Friday, December 15 at 3 p.m. CST (2100 GMT) at the Johnson Space Center and will be broadcast on NASA Television with multi-center question and answer capability. Another status briefing with Hanley will be held next week, on December 21, again at 3 p.m. CST from JSC and will again be broadcast on NASA TV.

Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev spent the last two days updating the Station's computers which keep track of all of the hardware used on board as part of an "inventory management system" designed to maintain files on where all of the crew's equipment is located.

Now in their 50th day in space and their 48th day aboard the ISS, Shepherd, Gidzenko and Krikalev also conducted routine maintenance on environmental systems and communications gear as they near the midway point of their planned four-month mission.

The Elektron oxygen-generation system, the Vozdukh carbon dioxide removal system and the air conditioning system are all working in excellent shape in the Zvezda living quarters to maintain a comfortable environment for the three crew members. Work is underway to determine how many spare parts for key Station systems will be delivered aboard the Shuttle Atlantis next month on the STS-98 mission to install the U.S. Laboratory Destiny to the ISS. Other spare parts are scheduled to be launched aboard the next Progress resupply ship to the Station, currently targeted for blastoff around February 10th.

The Expedition crew plans a quiet Christmas celebration in orbit next Monday, opening presents delivered on the last Progress vehicle and by Endeavour's astronauts earlier this month on the STS-97 mission. They will talk to their families in private conferences and enjoy a dinner of rehydrated turkey. Shepherd said yesterday the crew plans to spend a lot of time on Christmas simply looking out of the ISS windows at the Earth below.

This week, U.S. and Russian managers formally approved a plan for the redocking of the second Progress resupply ship to the ISS at around 5:00 a.m. Central time (1100 GMT) on December 26th. The Progress will be manually guided in by Gidzenko for its linkup to the Zarya module's nadir, or downward facing, docking port. Gidzenko will be operating a joystick at the Zvezda module's command post, which is part of the TORU, or telerobotically operated navigation system, as he flies the Progress in for its second docking to the Station.

Earlier today, Russian flight controllers executed the first is a series of engine firings on the Progress to begin drawing the vehicle back toward the ISS for its linkup. The firing occurred with the unmanned craft about 2300 kilometers in front of the ISS and was designed to raise the orbit of the Progress so that its closure rate on the Station would slow to about 40 kilometers per orbit, placing the Progress just 600 kilometers in front of the orbiting outpost this weekend. Additional engine firings are planned on Christmas Day and again in the morning on December 26 to refine the Progress' path to the ISS, ultimately placing the craft about 200 meters below the Zarya module's docking port, where Gidzenko will take over manual control of the approach of the Progress.

Once docked, the Progress will be used as a trash receptacle by Shepherd, Gidzenko and Krikalev until it is undocked a final time the day after Atlantis' launch on the next Shuttle assembly flight to the ISS. The Progress was launched on November 16th from the Baikonur Cosmodrome in Kazakhstan and was manually docked to the ISS on November 18th By Gidzenko after its automated navigation system encountered a software problem. The Progress was undocked on December 1st after the launch of Endeavour and was placed in a parking orbit to allow Russian engineers time to devise a software patch to the automatic guidance system which will be tested during next Tuesday's rendezvous and redocking.

An Expedition One Mission Status Briefing is scheduled for Thursday, December 21 at 4 p.m. EST at the Johnson Space Center, Houston, TX to discuss the progress of the flight and upcoming activities for Shepherd, Gidzenko and Krikalev. The briefers will include Lead Expedition One Flight Director Jeff Hanley and ISS Flight Director John Curry, who is overseeing the plans for the Progress redocking. The briefing will include a multicenter question and answer capability and will be broadcast on NASA Television, which can be found on GE-2, Transponder 9C at 85 degrees West longitude, vertical polarization, with a frequency of 3880 Mhz and audio of 6.8 Mhz.

Operating from a control panel in the ISS' Zvezda command center, Pilot Yuri Gidzenko guided the 7 ½ ton Progress in for a smooth linkup to the Zarya module's nadir, or downward facing docking port at 5:03 a.m. Central time (1103 GMT) as the two craft flew over northwest Mongolia, just south of the Russian-Mongolian border.

The Progress, which was first launched on November 16 and manually docked by Gidzenko on November 18 after a failure of the ship's automatic Kurs guidance system, was undocked on December 1 and placed in a parking orbit to enable Russian flight controllers to correct a software glitch which prevented its automatic docking.

With Commander Bill Shepherd and Flight Engineer Sergei Krikalev looking on, Gidzenko deftly maneuvered the Progress in for its redocking from a distance of just under 200 meters, offering the crew a place in which to stow trash and have residual fuel available for any maneuvers which may be required prior to its final undocking the day after the launch of the Shuttle Atlantis next month on the STS-98 mission to bring the U.S. Laboratory Destiny to the ISS.

Within two hours after the redocking, Krikalev equalized pressure between the Progress and the Zarya and opened hatches between the two vehicles to enable the crew members to deactivate the Progress' systems. All ISS systems are functioning in good shape.

The crew will spend the rest of the week unloading ballast from the Progress, removing its Kurs automated docking system for analysis by engineers back on Earth, performing biomedical experiments and reviewing flight plans for the January Shuttle flight to install Destiny to the ISS' Unity module.

Over the weekend, the crew spent a quiet Christmas, talking to their families, opening presents on board and receiving a holiday greeting on Christmas Day from NASA Administrator Daniel Goldin. The three crew members, who are in their 56th day in space and their 54th day aboard the Station, will spend a quiet New Year's weekend, with a light work schedule on tap and additional conferences with their families planned to usher in 2001.

With crewmates Yuri Gidzenko and Sergei Krikalev at his side, Commander Bill Shepherd, a U.S. Navy Captain, provided a poem he wrote on board, capturing his thoughts and reflections, as he and his shipmates ushered in 2001.

It is Naval tradition for the person on duty at the helm of a ship to provide an entry into the ship's log at the turn of the New Year. Shepherd wrote the following:

"In longstanding naval tradition, the first entry in a ship's log for the New Year is always recorded in prose. We would like to share with all, the entry being made in the log tonight as 'Alpha' salutes the New Year"-

SHIP'S LOG 0000 01 JAN 2001
We sail onboard space station "Alpha"
Orbiting high above Earth, still in night
Traveling our destined journey
beyond realm of sea voyage or flight

A first New Year is upon us
Eight strikes on the bell now as one
The globe spins below on its motion
Counting the last thousand years done.

15 midnights to this night in orbit
A clockwork not of earthly pace
Our day with different meaning now
In this, a new age and place

We move with a speed and time
Past that which human hands can tell
Computers programmed-like boxes
Where only thoughts' shadows dwell

"Central post" our ship's bridge aboard
Screens dancing shapes in pale glow
We guide her course by electronic pulse
In figures no compass could show

Our panels set as sails to the Sun
With wake not ever seen but there
Only gyros feel the silent tugs
Wisps, swirls of such ocean rare

On this ship's deck sits no helm now
Rudder, sheet, and rig long since gone
But here still-- a pull to go places
Beyond lines where sky meets the dawn

Though star trackers mark Altair and Vega
Same as mariners eyed long ago
We are still as wayfinders of knowledge
Seeking new things that mankind shall know.

We commend to crews that will follow
Merit of the good ship we sail
Let Sun shine strong on Alpha's wings
A symbol, and bright star we long hail.

The crew members spent a relaxing New Year's Eve holding private conferences with their families as they gear up for a busy week of biomedical experiments and preparations for the next Shuttle assembly flight to the ISS which is scheduled for launch the third week in January.

The International Space Station continues to orbit the Earth in excellent shape at an altitude of 230 statute miles as it enters its fourth calendar year of existence.

Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev conducted biomedical and engineering experiments, Station systems maintenance and exercise this week, reporting that everything is proceeding smoothly more than halfway through their stay aboard the ISS.

The only technical issue being addressed by Russian flight controllers involves a minor problem with battery three in the Zvezda Service Module, which was temporarily taken offline to enable Krikalev to check connector pins from the battery itself to a current converter unit behind one of the panels in the Station's living quarters. The battery experienced a small drop in current flow, but has no impact on Station operations. All other batteries in Zvezda and the Zarya module are functioning normally as they draw power from the U.S. P6 solar arrays mounted on top of the Station's Unity module. The huge U.S. solar arrays are providing more than ample power for all Station systems.

Because the sun is shining obliquely to the Russian module solar arrays this week due to its angle relative to the Earth, Russian controllers decided to reduce the power output of the Elektron oxygen generation system in Zvezda to conserve electricity. One or two solid fuel oxygen generation canisters will be activated today and tomorrow to augment the output of oxygen on board the ISS until the Elektron is returned to full power Friday when the sun is in a more favorable angle to the solar arrays of both Zvezda and Zarya. All environmental systems on the ISS are functioning normally.

Later this week, Shepherd, Gidzenko and Krikalev will review flight plans for the upcoming mission of Atlantis to the ISS to deliver the U.S. Laboratory Destiny, the cornerstone of scientific research for years to come on the Station. Today, Atlantis was transported to Launch Pad 39-A at the Kennedy Space Center for final prelaunch preparations leading to liftoff in about three weeks on the first Shuttle mission of 2001.

Atlantis' five astronauts, Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones will conduct a variety of countdown dress rehearsal procedures later this week at the Cape, culminating in a simulated launch countdown Saturday morning with the crew on board the Shuttle.

Launch of Atlantis to bring Destiny to the ISS is targeted for no earlier than January 19. Next week, NASA Shuttle and ISS managers will hold their traditional Flight Readiness Review to set a firm launch date for Atlantis' mission to the Station.

The International Space Station continues to operate in excellent shape as it orbits the Earth every 90 minutes at an altitude of 230 statute miles.

Shuttle and station managers selected the target launch date following Wednesday's traditional Flight Readiness Review to assess the readiness of the shuttle, station, crew, payloads and flight control teams. Based on a Friday early morning launch, Atlantis is scheduled to dock to the ISS just before 9 p.m. Eastern on January 20.

In preparation for the shuttle's arrival, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev conducted a thorough inventory of items onboard and began stowing equipment and supplies to clear passageways that will be used by the two crews throughout the seven days of joint operations.

Remaining work for the Expedition One crew in preparing for Atlantis' arrival includes reviewing documentation for the laboratory's activation, conferences with various technical specialists and the STS-98 crew, and a mid-tour debrief with flight controllers.

Destiny's attachment and activation is the highlight of the 11-day mission along with the relocation of a shuttle docking port and three spacewalks designed to complete final connections between the laboratory, docking port and the station. The third spacewalk will mark the 100th in U.S. spacewalk history and the 60th based out of the shuttle.

In preparation for the relocation of the shuttle docking port, known as Pressurized Mating Adapter 2, flight controllers in Houston attempted to cycle four latches on the Common Berthing Mechanism to which the PMA currently is attached. The first latch cycled properly, but the second apparently was obstructed by a piece of the air ducting used to circulate air throughout the station while a shuttle is docked. Shepherd visibly detected the obstruction and a plan is in place to pressurize the volume of the PMA so that he can float in, move the vent and watch as flight controllers cycle the latch once again. This procedure sets the stage for the removal of the PMA to free the location for Destiny's installation.

The only technical issue on the station at present is an apparent faulty current converter unit on one of eight batteries inside the Zvezda module. It has no impact on the station's electrical generation capability, especially in light of the ample power available from the solar arrays installed on the STS-97 mission of Discovery in December. All station life support systems are working fine.

Atlantis' five astronauts, Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones conducted a countdown dress rehearsal last weekend as technicians were installing the Destiny lab in its payload bay at Launch Complex 39B.

The International Space Station continues to operate in excellent shape as it orbits the Earth every 90 minutes at an altitude of 230 statute miles.

Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev spent the last week reinstating the use of all eight batteries inside the Zvezda module by replacing a faulty current converter unit.

Meanwhile the crew pressurized and entered the shuttle docking port that will be repositioned on the next mission and moved an air duct that was obstructing the full motion of one of four berthing latches. Once the duct was moved, the latch was cycled without problem and is ready for the removal of the docking port in preparation for the installation of Destiny. The docking port then will be relocated to the opposite end of the laboratory.

For the next week, the Expedition One crew will continue to conduct a thorough inventory of items onboard and stow equipment and supplies. The three crew members also will review documentation for the laboratory's activation, practice for an emergency departure similar to building fire drills, and take part in conferences with various technical specialists.

Shuttle managers ordered the rollback of Atlantis off the launch pad so that inspections can be made to cables inside a tray on the Solid Rocket Boosters. Destiny was removed from the payload bay today and will remain in a protective room on the launch pad until Atlantis returns next week.

Launch of Atlantis on the 102nd shuttle flight now is scheduled for no earlier than Feb. 6. Liftoff is tentatively set for 5:37 p.m. CST (2337 GMT). Docking to the station will occur just after Noon on Feb. 8.

Destiny will provide the orbiting outpost with its first science facility. Its attachment and activation is the highlight of the 11-day mission along with the relocation of the shuttle docking port. Three space walks will complete final connections between the laboratory, docking port and the station. The third space walk marks the 100th in U.S. Space walk history and the 60th based out of the shuttle.

Atlantis' five astronauts, Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones will spend the next two weeks reviewing their official Flight Data File before flying to the Kennedy Space Center for the final days of the countdown.

International Space Station systems are in excellent shape orbiting the Earth every 90 minutes at an altitude of approximately 230 statute miles.

With some additional testing of solid rocket booster cables successfully completed, Atlantis is now planned to be moved back to its Kennedy Space Center launch pad on Friday. Launch of the shuttle on mission STS-98 is now planned for about 6:11 p.m. EST Feb. 7. Atlantis will bring the first station laboratory, the United States-developed Destiny module, to the orbiting complex.

Station Commander Bill Shepherd, Flight Engineer Sergei Krikalev and Pilot Yuri Gidzenko practiced emergency procedures aboard the station this week, dealing with a simulated leak aboard the complex and performing the preparations that would be needed if the station were evacuated. Such practice sessions may be performed regularly by station crews to ensure emergency procedures remain up to date and the crew's skills remain sharp. Station flight controllers regularly simulate such activities on the ground for similar reasons.

Also this week, the station crew worked with updating and expanding the station's Inventory Management System, a software package that tracks the amount and location of supplies and equipment aboard the outpost. The crew is continuing to add to the system supplies brought to the station in December by Shuttle mission STS-97, and they are expanding it to prepare for the arrival of the Destiny lab and its equipment.

The three space fliers also continued their daily regimen of exercise and performed several routine housekeeping-type activities -- changing filters, inspecting equipment and checking station systems. Next week, plans for the crew and flight controllers may include a test of station procedures that will be used for the docking of the Space Shuttle Atlantis.

Orbiting the Earth at an average altitude of 230 statute miles, the International Space Station is operating in excellent condition.

Following the shuttle's return to the launch pad, the U.S. Laboratory Destiny was installed in the payload bay Tuesday and the doors closed for flight last night. Atlantis' launch remains scheduled for 6:11 p.m. EST, Feb. 7. The STS-98 flight crew of Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Tom Jones, Marsha Ivins and Bob Curbeam are scheduled to fly to the Kennedy Space Center Sunday afternoon with the countdown scheduled to begin at 10 p.m. EST.

Meanwhile aboard the station, the Expedition One crew of Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev continue the task of preparing for the shuttle's arrival while continuing their daily routine of exercise and housekeeping chores.

Troubleshooting efforts on a vibration measuring experiment paid off late last week when Expedition One Commander Bill Shepherd recovered the operation of the Middeck Active Control Experiment (MACE). The experiment appears to be working fine and timeliners are busily searching for openings in the crew's long-range plan to accommodate further operations with this experiment that originally flew as a shuttle payload to measure tiny amounts of vibration in an effort to identify how normal activity onboard may affect sensitive experiments.

Flight controllers plan to conduct an experiment to measure the electrical charging on the outside of the station by strategically positioning the large U.S. solar arrays as the station circles the Earth. The hopes are to correlate the array position with the amount of arcing that may be generated. Plasma Contactor Units on the station are designed to eliminating the arcing, if present. This Detailed Test Objective is designed to gather additional information that will help verify engineering models and/or refine future planning that may be required.

Additionally, the crew and flight controllers are planning to conduct a dry-run of the procedures for the shuttle docking to the ISS planned for two days after launch.

Plans for the crew and flight controllers may include a test of station procedures that will be used for the docking of the Space Shuttle Atlantis.

Orbiting the Earth at an average altitude of 230 statute miles, the International Space Station is operating in excellent condition.

Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones rocketed away from Launch Pad 39-A at 5:13p.m. Central time, lighting up the central Florida skies as they began their pursuit of the international complex. The launch was delayed by about two minutes while ground controllers resolved a false reading from a sensor in a data relay unit on the Shuttle. Atlantis' flight is the 102nd Space Shuttle mission.

At the time of launch, the three Expedition One crewmembers aboard the ISS were passing over the north Atlantic due east of St. John's, Newfoundland, about 1,500 statute miles ahead of Atlantis. They were notified of the launch minutes after Atlantis reached orbit by Spacecraft Communicator Dan Burbank in Mission Control, and a video of the launch was transmitted to the crew. Expedition Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev will be awakened shortly after 4 a.m. Central time Thursday, their 100th day in space, a little over an hour before an unmanned Progress resupply vehicle is scheduled to be undocked from the ISS at around 5:25 a.m. The Progress undocking will clear the way for Atlantis to link up to the station on Friday. The Progress will be commanded into a destructive deorbit several hours after undocking.

Less than nine minutes after liftoff, Atlantis' astronauts went to work to prepare the Shuttle's systems for their planned 11-day mission. The first major task on the flight plan was to open Atlantis' cargo bay doors prior to receiving a "go" for orbital operations from Ascent Flight Director LeRoy Cain. The astronauts are expected to set up computers and flight deck gear before beginning an eight-hour sleep period at 10:11 p.m. Central time. The Shuttle crew will be awakened at 6:11 a.m. Friday to begin its first full day in space.

With this evening's successful launch behind them, Atlantis' astronauts will turn their attention to their chase of the International Space Station, performing several firings of the ship's jet thrusters over the next two days to set up a docking with the outpost on Friday just before 11 a.m. Over the ensuing week, the crew will perform three space walks as they help to install and hook up the 16-ton Destiny research lab.

The first full day in orbit for Astronauts Ken Cockrell, Polansky, Marsha Ivins, Tom Jones and Bob Curbeam will focus on preparations for the unberthing and installation of the Destiny laboratory to the International Space Station. Ivins and Cockrell will check out the 50-foot long robotic arm, and conduct a camera survey of the payload bay with the 16-ton Destiny laboratory housed inside. Curbeam and Jones, with assistance from Polansky, will test the space suits they will wear during three scheduled space walks, the first of which is planned for Saturday as Ivins uses the ship's robot arm to install Destiny onto the Unity module of the Station.

Cockrell and Polansky will command a series of engine firings to refine Atlantis' approach to the station, positioning themselves for a Friday morning docking, just before 11 a.m. Central time.

On board the station, the Expedition One crew - Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev - awoke just after 4 a.m. to mark its 100th day in orbit. From on board they kept tabs as an unmanned Progress resupply spacecraft, loaded with trash, undocked from the station at 5:26 a.m. Central time as the Station flew high over Asia. A series of engine firings on the Progress slowly increased the distance between the two vehicles. Just before 11 a.m., the Progress will be commanded to deorbit, causing it to burn up as it reenters the Earth's atmosphere.

Today the Expedition One crew will review its plans for joint operations with Atlantis' crew following docking Friday morning, perform some basic housekeeping tasks, and enjoy a regularly-scheduled exercise session.

Atlantis' crew will conduct a series of interviews with media representatives just after 4 p.m. this afternoon. The first Mission Status Briefing of the flight is planned for 5:30 p.m. on NASA Television.

Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones were ordered to stay in orbit for an extra day after Entry Flight Director LeRoy Cain concluded that crosswinds at the 3-mile long Shuttle Landing Facility were out of limits despite crystal clear skies. Atlantis' crew had only two opportunities today in which to return to Earth.

The astronauts closed the Shuttle's cargo bay doors just after 8 a.m. Central time this morning as Cain and his team of flight controllers closely monitored the winds in Florida. Chief Astronaut Charlie Precourt provided real-time observations as he flew the Shuttle Training Aircraft over the landing strip, a Gulfstream jet modified to mimic the landing characteristics of Atlantis.

Throughout the morning, winds were observed to be gusting in excess of the 15 knot crosswind limit for a daytime landing, and at 11:47 a.m. Central time, Cain called off today's landing efforts. Word of the waveoff was radioed up to Cockrell by Spacecraft Communicator Scott Altman in Mission Control.

Atlantis will have two opportunities again tomorrow in which to land at the Kennedy Space Center. The first, on orbit 185, calls for a firing of Atlantis' braking rockets at 11:21 a.m. Central time with a landing on KSC's Shuttle runway at 12:27 p.m. Central time. Atlantis' cargo bay doors would be closed at around 8:40 a.m. Monday in preparation for that first landing opportunity. A backup opportunity is also available on the following orbit, with a deorbit firing of the orbital maneuvering system engines at 12:57 p.m. Central time and a landing at 2:03 p.m. Central time. The weather forecast for the Cape tomorrow is promising, with only scattered clouds, a possibility of one deck of broken clouds, and somewhat lighter winds which are predicted to be acceptable for landing.

The backup landing site at California's Edwards Air Force Base is forecast to have unacceptable weather, with broken clouds, high winds and a chance of showers.

Shortly after today's landing attempts were called off, Atlantis' astronauts reopened the Shuttle's payload bay doors and removed their launch and entry suits to begin their bonus day in space. The astronauts will begin an eight-hour sleep period at 7:43 p.m. Central time tonight and will be awakened at 3:43 a.m. Monday to begin their pre-landing preparations.

Atlantis continues to orbit the Earth in excellent shape, completing an orbit of the Earth every 90 minutes at an altitude of 237 statute miles.

Aboard the International Space Station, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev spent a relaxing day off aboard the orbital outpost and will enjoy an off-duty day again on Monday.

With the U.S. Laboratory Destiny operating in excellent shape as the newest addition to the International Space Station, Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones began to perform a series of procedures which will lead to the firing of the Shuttle's braking rockets late this morning to begin their hour-long reentry back to Earth.

There are two landing opportunities available today for Atlantis' return to Florida. The first begins with a deorbit firing of the Shuttle's orbital maneuvering system engines on Orbit 169 at 10:47 a.m. Central time, culminating in a landing at 11:53 a.m. Central time on Runway 33 at the Kennedy Space Center. A backup opportunity one orbit later starts with a deorbit burn at 12:22 p.m., resulting in a 1:28 p.m. Central time landing. Weather forecasts for today are generally favorable with flight controllers watching the possibility of gusty winds in the vicinity of the Shuttle Landing Facility at the Cape. The backup landing site at Edwards Air Force Base, California was not called up for landing support today, but likely would be activated for backup landing support Monday if Atlantis' landing is blocked by the weather.

A landing on the first opportunity of the day would wrap up a journey of 4.4 million miles for the astronauts and the first Shuttle mission of the year.

Atlantis' astronauts begin their deorbit preparations at 6:50 a.m. today, configuring computers for reentry, deactivating the galley and installing seats on the flight deck and middeck. The payload bay doors should be closed at 8:07 a.m., and a final "go-no go" decision for the deorbit burn from Entry Flight Director Leroy Cain is expected about 10:30 a.m.

When Atlantis' astronauts were awakened at 3:43 a.m. today, they were approximately 408 statute miles in front of the International Space Station. On board the Station, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev will relax today as they enjoy another day of light activities. The Expedition One crew began its day at Midnight this morning and will go to sleep about 3:30 p.m. This is the 110th day in space for the Expedition One crew and its 108th day aboard the orbiting outpost.

Atlantis continues to orbit the Earth in excellent shape at an altitude of 237 statute miles as its astronauts gear up for landing.

As was the case on Sunday, flight controllers tried to bring Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones home during two landing opportunities which were available at the Florida spaceport, but winds continued to gust out of limits, higher than the 15- knot crosswind limit permissible for a Shuttle landing. Weather at the backup landing site at Edwards Air Force Base, California was also unacceptable with high winds and rainshowers in the area of the Mojave Desert.

Finally, at 12:13 p.m. Central time, Entry Flight Director LeRoy Cain called off today's landing attempts and directed his team to try to bring Atlantis home on Tuesday to KSC when the forecast calls for slightly improved weather and lighter winds. There are two landing opportunities at the Kennedy Space Center on Tuesday with the first opportunity calling for the firing of Atlantis' braking rockets on orbit 200 at 10:20 a.m. Central time, resulting in a landing at the Cape at 11:27 a.m. Central time. The second opportunity would begin with the deorbit burn maneuver on orbit 201 at 11:56 a.m. Central time and a landing at the Kennedy Space Center at 1:02 p.m. Central time.

Two landing opportunities also are available on the next two orbits at Edwards. The first of the Edwards' opportunities would call for the deorbit burn at 1:27 p.m. Central time and a landing at 2:33 p.m. Central time. The final opportunity of the day on Tuesday for Edwards would involve a deorbit burn at 3:04 p.m. Central time and a landing at 4:09 p.m. Central time. The weather at Edwards is also expected to be better, with a chance of broken cloud decks and lighter winds than were observed today.

Landing support will also be called up for the White Sands Space Harbor at Northrup Strip in New Mexico, which has three landing opportunities available, although all efforts will be made to try to bring Atlantis home in either Florida or California. After reopening Atlantis' cargo bay doors, the astronauts removed their launch and entry suits and will spend the rest of the day relaxing. They are scheduled to begin an eight-hour sleep period at 7:13 p.m. Central time tonight and will be awakened at 3:13 a.m. Tuesday to resume landing preparations.

Aboard the International Space Station, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev wrapped up an extended weekend in which they relaxed in preparation for a busy week of work which begins Tuesday with the continuing activation of systems in the newly installed Destiny laboratory. The crew will also prepare for the undocking and redocking of its Soyuz vehicle Saturday from the aft end of the Zvezda module to the nadir port of the Zarya module, in anticipation of the arrival of an unmanned Progress resupply ship at the Station at the end of the month.

Atlantis is orbiting the Earth in excellent shape at an altitude of 237 statute miles.

Atlantis has two opportunities today for a landing at the Kennedy Space Center. The first, on orbit 185, calls for a firing of Atlantis' braking rockets at 11:21 a.m. Central time with a landing on KSC's Shuttle runway 3-3 at 12:27 p.m. Central time. Atlantis' cargo bay doors would be closed at around 8:40 a.m. this morning in preparation for that first landing opportunity. A backup opportunity is also available on the following orbit, with a deorbit firing of the orbital maneuvering system engines at 12:57 p.m. Central time and a landing at 2:03 p.m. Central time. There are also two landing opportunities on the following orbits at the backup landing site for Atlantis at California's Edwards Air Force Base, which was activated for landing support. But gusty winds, low clouds and the chance of rain showers both today and tomorrow make Edwards a highly unlikely possibility for flight controllers to consider.

Entry Flight Director LeRoy Cain will receive weather updates throughout the day from the Spaceflight Meteorology Group here at the Johnson Space Center and Chief Astronaut Charlie Precourt, who will be flying weather reconnaissance at the landing strip in a training jet modified to mimic the Shuttle's landing characteristics. A final "go-no go" decision for the deorbit burn for the first landing opportunity is expected around 11 a.m. Central time.

Commander Ken Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones were awakened just after 4 a.m. Central time today to prepare once again for landing.

At the time of crew wakeup on board Atlantis, the Shuttle was about 750 statute miles in front of the International Space Station. The Expedition One crewmembers, Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, are enjoying a final day of light duty in their extended weekend before beginning their work week on Tuesday. That work will include preparations for the undocking, flyaround and redocking of their Soyuz capsule from the aft docking port of the Zvezda module to the nadir docking port of the Zarya module, clearing the way for the arrival of an unmanned Russian Progress resupply ship at the end of the month. The Soyuz relocation procedure is planned for early Saturday morning, U.S. time.

Atlantis continues to orbit the Earth in flawless fashion at an altitude of 235 statute miles.

With Commander Ken Cockrell at the controls, Atlantis darted through high clouds over the Mojave Desert test center touch down at 2:33 p.m. Central time on concrete runway 2-2. The landing was the 47th at Edwards to bring the 102nd flight in program history to a close.

Atlantis was diverted to California after broken clouds and precipitation formed over the landing strip at the Kennedy Space Center, preventing Atlantis from returning to the Florida spaceport in the two opportunities which were available today.

Instead, Entry Flight Director LeRoy Cain ordered Atlantis to land 3000 miles to the West at Edwards, where the weather was deemed acceptable for landing. Cockrell, Pilot Mark Polansky and Mission Specialists Bob Curbeam, Marsha Ivins and Tom Jones were greeted by high, thin clouds at Edwards, but they posed no problem for Cockrell as he took over manual control of Atlantis a few minutes prior to landing.

The astronauts were scheduled to leave the orbiter about an hour after landing and will spend the night at Edwards before returning to Houston Wednesday afternoon.

After high winds thwarted Atlantis' homecoming Sunday and Monday, Cockrell and Polansky finally fired the ship's braking rockets at 1:27 p.m. Central time for the start of the Shuttle's hour-long descent back to Earth. Thirty-four minutes later, Atlantis and its astronauts reached the fringes of Earth's atmosphere and the first tug of gravity at an altitude of 400,000 feet.

Atlantis soared over the Pacific Ocean and the southern California coast north of Los Angeles, its computers honing in on the desert runway at Edwards. About four minutes before landing, Atlantis heralded its arrival at the landing site with a pair of double sonic booms as it went subsonic. Atlantis kicked up a small cloud of dust as its main gear met the runway and rolled out to a smooth stop as more clouds gathered around the Edwards complex.

Meanwhile, aboard the International Space Station, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev spent the day activating additional systems in the recently delivered Destiny Laboratory and began preparations for Saturday's undocking and redocking of their Soyuz capsule from the aft docking port of the Zvezda module to the Earthward facing docking port of the Zarya module.

That relocation maneuver, which is scheduled to begin just after 4 a.m. Central time Saturday, will clear the Zvezda docking port for the arrival of an unmanned Progress resupply craft next week, delivering supplies for the next Expedition crew which will be launched on the Shuttle Discovery on March 8 on the STS-102 mission.

Atlantis' astronauts are scheduled to return to Houston Wednesday afternoon for a welcome home ceremony at Hangar 990 at Ellington Field near the Johnson Space Center at around 3:30 p.m. Central time.

The Kennedy Space Center remains the primary target for today's landing, with two opportunities to bring Atlantis and its crew home. The initial forecast for today shows generally acceptable conditions for landing, with a slight concern for some clouds produced by offshore sea breeze and possible crosswinds at the three-mile long landing strip. The first opportunity for the day would call for a deorbit burn at 10:21 a.m. Central time, resulting in a landing at 11:27 a.m. Central time. The second opportunity would begin with a deorbit burn at 11:56 a.m. Central time with a landing at 1:02 p.m.

Landing opportunities are also available on the following two orbits at the backup landing site at Edwards Air Force Base in California. Weather conditions on the West Coast are marginal, however, with the possibility of rain within 30 miles of the landing site. The first of the Edwards' opportunities would call for the deorbit burn at 1:27 p.m. Central time and a landing at 2:33 p.m. The final opportunity of the day to Edwards would involve a deorbit burn at 3:04 p.m. and a landing at 4:09 p.m.

The White Sands Space Harbor at Northrup Strip in New Mexico has three landing opportunities available as well, and may be considered as a possible landing site, although all efforts will focus on returning Atlantis either to Florida or California. Entry Flight Director LeRoy Cain intends to employ the three best opportunities of the day in an effort to bring the two-week flight to a close.

Atlantis has enough propellent and consumables to stay aloft until at least Wednesday, if necessary.

The STS-98 astronauts - Ken Cockrell, Mark Polansky, Bob Curbeam, Marsha Ivins and Tom Jones - were awakened at 3:13 a.m. to the sounds of "Should I Stay or Should I Go" by the Clash, as they prepared for their return trip to Earth.

Aboard the International Space Station, now about 1,100 miles behind Atlantis, Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev started a busy work week today preparing for Saturday's relocation of their Soyuz vehicle. The crewmembers will deactivate key ISS systems early Saturday morning, then climb into their pressure suits to board the Soyuz capsule for a 40-minute maneuver in which the Soyuz will be undocked from its current location on the aft end of the Zvezda module and redocked to the nadir port of the Zarya module. That will make room for a Progress resupply vehicle due to arrive later this month.

All systems on board Atlantis are performing well and ready to support today's landing efforts as the orbiter continues to circle the Earth at an altitude of 237 statute miles.

The 30-minute maneuver cleared Zvezda's docking port for the arrival of an unmanned Russian Progress resupply cargo craft on Wednesday, carrying supplies for the next trio of space travelers who will live and work aboard the Station beginning next month.

With Gidzenko at the controls, the Soyuz backed away from the Station at 4:06 a.m. Central time, as Gidzenko maneuvered the capsule to a distance of about 300 feet away from Zvezda. He then flew the Soyuz about 45 degrees around the complex to align the ship with Zarya's docking port. After a brief stationkeeping period to insure that all systems were functioning normally, Gidzenko flew his craft in for a linkup to Zarya at 4:37 a.m. Central time as the Soyuzand the ISS flew high over Central Europe.

It was the first time since the Expedition One crew arrived at the Station last November 2 that the ISS had been unoccupied, albeit for a brief period.

The crew was to spend the next several hours reopening hatches between the Soyuz and the Station and reactivating key environmental and communications systems on board which had been shut down last night in the unlikely event Gidzenko would have been unable to redock, forcing the crew to come home. Shepherd, Gidzenko and Krikalev will begin an extended sleep period this afternoon and will be awakened on Sunday morning for a relatively light day of activities.

The Progress launch is scheduled on Monday at 2:09 a.m. Central time from the Baikonur Cosmodrome in Kazakhstzan, with docking to the Zvezda module planned for early Wednesday at 3:48 a.m. Central time. The crew will spend the rest of the week unloading the Progress in preparation for the launch of the Shuttle Discovery March 8 to ferry their replacements, the Expedition Two crew, to orbit.

Orbiting the Earth at an average altitude of 235 statute miles, the International Space Station is operating in excellent condition.

With Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev looking on from inside the Zvezda living quarters, the Progress automatically linked up to Zvezda's aft docking port at 3:50 a.m. Central time as the Station sailed over Central Asia. Unlike the docking of the last Progress to the Station in November, which had to be conducted manually after the automated docking system experienced a problem, today's linkup was textbook and uneventful. Last Saturday, with Gidzenko at the controls, the crew undocked its Soyuz capsule from the same docking port and flew to a redocking at the nadir docking port of the Zarya module to make room for the Progress.

Within two hours of docking, the crew opened hatches between Zvezda and Progress and began to unload its supplies, which include clothing, spare parts, computers and office gear for Shepherd, Gidzenko and Krikalev and their replacements, Expedition Two Commander Yury Usachev, Jim Voss and Susan Helms, who are set to be launched next Thursday aboard the Shuttle Discovery to begin the second expeditionary mission to the Station. The Expedition One crew will return home aboard Discovery on March 20 to complete more than four months in orbit.

Late yesterday, NASA managers officially set March 8 for the launch of Discovery to the Station on the STS-102 mission to not only transport the second Expedition crew, but to continue the outfitting of the U.S. Laboratory Destiny through two space walks and the delivery of additional logistical items, spare parts and hardware in an Italian-built cargo module called Leonardo. The first racks of science equipment for research aboard the Station will also be moved from Leonardo into Destiny, including the Human Research Facility, which will be a mainstay for experiments involving the study of the reaction of the human body to weightlessness.

The International Space Station continues to orbit the Earth in excellent shape at an altitude of 235 statute miles.

Commander Jim Wetherbee, Pilot Jim Kelly and Mission Specialists Andy Thomas, Paul Richards, Yury Usachev, Jim Voss and Susan Helms rocketed away from Launch Pad 39-B at 5:42 a.m. Central time, lighting up the crystal clear central Florida skies as they began their pursuit of the international complex. Usachev, Voss and Helms, who make up the second Expeditionary crew to the ISS, will replace Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, who were in their 128th day in space and their 126th day aboard the Station as Discovery began its pursuit.

At the time of launch, the three Expedition One crewmembers aboard the ISS were passing over the south Pacific, about 1000 statute miles south of Perth, Australia. Shortly after Discovery reached orbit, a videotape of the Shuttle launch was uplinked to the Station crew on a laptop computer onboard.

Less than nine minutes after liftoff, Discovery's astronauts settled into orbit and went to work to prepare the Shuttle's systems for their planned 12-day mission. The first major task on the flight plan was to open Discovery's cargo bay doors prior to receiving a "go" for orbital operations from Ascent Flight Director Wayne Hale. The astronauts are expected to set up computers and flight deck gear before beginning an eight-hour sleep period at 10:42 a.m. Central time. The Shuttle crew will be awakened at 6:42 p.m. Thursday to begin its first full day in space.

With this morning's successful launch behind them, Discovery's astronauts will turn their attention to their chase of the International Space Station, performing several firings of the ship's jet thrusters over the next 40 hours to set up a docking with the outpost on Friday night just before midnight Central time. Over the ensuing week, the crew will perform two space walks outside the ISS as they help to outfit the recently installed Destiny research laboratory. The Leonardo Multi-Purpose Logistics Module, built by the Italian Space Agency, will be attached to the ISS early next week, loaded with almost five tons of equipment, and systems and science racks for transfer to Destiny.

The Expedition crews will exchange places on the ISS in a three-step fashion, beginning with Usachev and Gidzenko swapping roles as Station and Shuttle crewmembers early Saturday within hours after docking.

Discovery is circling the Earth in excellent shape as it flies in an orbit inclined 51.6 degrees to either side of the Equator. The International Space Station continues to sail around the Earth with no significant systems issues being tracked by ISS flight controllers.

In preparation for that rendezvous and docking, Discovery's crew was awakened at 6:42 p.m. Thursday to begin its first full day on orbit. The wakeup song from Mission Control was "Living The Life" by the Rockit Scientists, a group of training division instructors with whom shuttle Commander Jim Wetherbee plays drums from time to time.

After wakeup, the crew of four shuttle and three station expedition crewmembers got busy checking out systems and equipment to assist with mission objectives, including the robotic arm, the two spacesuits that will be worn for the first Extravehicular Activity (EVA), and the rendezvous tools to assist with the final hours of Discovery's approach and docking to the station.

The STS-102 crew is made up of Wetherbee, Pilot Jim Kelly, Flight Engineer Paul Richards and Mission Specialist Andy Thomas. The Expedition Two crew consists of Russian Commander Yury Usachev, and Flight Engineers Jim Voss and Susan Helms.

Usachev, Voss and Helms, will replace Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, who shortly will wrap up a 4-½ month stay aboard the station and return home aboard Discovery.

With a docking test behind it, the Expedition One crew turns its attention to final stowage in preparation for Discovery's arrival.

After Friday's late night docking, the astronauts will perform two space walks outside the ISS to continue the process of outfitting the Destiny research laboratory. The Leonardo Multi-Purpose Logistics Module, built by the Italian Space Agency, will be attached to the ISS late Sunday. It is filled with nearly five tons of equipment, including systems and science racks that will be transferred to Destiny.

The Expedition crews will exchange places on the ISS in a three-step fashion, beginning with Usachev and Gidzenko, who will swap places as Station and Shuttle crewmembers early Saturday within hours after docking.

As of 7:30 p.m. Thursday, Discovery trailed the station by about 7,000 miles, closing that distance at a rate of 700 miles each orbit of the Earth, or every 90 minutes. Simultaneously, the ISS is in good shape and ready to support the shuttle's arrival Friday.

The shuttle crew was awakened with the Russian song "Vashe Blagorodiye," a song from a movie entitled "White Sun of the Desert" that is traditionally watched by cosmonauts the night before a launch from the Baikonur Cosmodrome in Kazakhstan. The song was played for Expedition Two Commander Yury Usachev, who is spending his last day aboard Discovery before beginning a handover of station command with Expedition One crewmember Yuri Gidzenko.

All activities are on track for a docking of Discovery to the station at 11:34 p.m. The final phase of Discovery's rendezvous with the station was to begin with a Terminal Initiation (TI) engine firing by the shuttle at 9:13 p.m. with Discovery about 50,000 feet behind the station. The TI burn puts the shuttle on course to intercept the station during the next orbit of Earth. At about 10:30 p.m., as Discovery reaches a point about a half-mile below the complex, Commander Jim Wetherbee will take over manual control of the approach. Wetherbee will fly Discovery to a position about 300 feet in front of the station, then move in toward a docking port attached to the end of the station's Destiny Laboratory.

During the docking, Pilot Jim Kelly will help control Discovery's approach as astronauts Andy Thomas and Paul Richards manage the shuttle's docking mechanism and rendezvous tools. Using a view from a camera mounted in the center of Discovery's docking mechanism, Wetherbee will center the docking ports of the two spacecraft precisely, double-checking the alignment 30 feet out. The final approach will be at a relative velocity of one-tenth of a foot per second.

When Discovery makes contact with the station's docking port on Destiny, latches will automatically connect the two spacecraft as they fly high off the east coast of Brazil. Once relative motion between the spacecraft stops, Thomas will retract the docking ring on Discovery's mechanism, closing latches to firmly secure the shuttle to the station. The hatches between the shuttle and station are to be opened about two hours later at 1:42 a.m. Saturday.

The crew will begin transferring crews, equipment and supplies immediately. The first crew exchange is planned to allow Usachev to be aboard the station jointly with Expedition One Commander Bill Shepherd for as long as possible to facilitate the change of leadership. The hatches will be closed again at 4:37 a.m. Saturday so the shuttle crew can prepare for the first of two planned spacewalks, a sojourn by astronauts Jim Voss and Susan Helms set to begin Saturday evening.

The stage is set for the eighth shuttle docking to the ISS with both spacecraft in good shape.

Overnight, the STS-102 astronauts Jim Wetherbee, Jim Kelly, Paul Richards and Andy Thomas, and Expedition 2 crew members Yury Usachev, Jim Voss and Susan Helms installed and checked out a targeting camera, extended the orbiter docking system's spring-loaded docking ring and unpacked rendezvous tools such as laptop computers and hand-held range-finders. They are scheduled to begin an abbreviated seven-hour sleep period at 9:42 a.m. today. When the crew wakes up at 4:42 p.m. to begin their final rendezvous activities, Discovery will be about 40 miles behind and slightly below the ISS.

About 9:15 p.m., at a distance of about nine miles behind the station, Wetherbee will fire Discovery's engines in a Terminal Initiation (Ti) burn, allowing the shuttle to close in, using its rendezvous radar system to track distance and approach speed. Once Discovery is about half a mile below the station, Wetherbee will take over manual control. Wetherbee will fly Discovery slowly to a point about 600 feet directly below the station, then move up and in front of the orbiting outpost. Closing in and stopping a little more than 300 feet directly in front of the station, Kelly will help control Discovery's approach as Thomas and Richards manage the shuttle's docking mechanism and rendezvous tools. Using a view from a camera mounted in the center of Discovery's docking mechanism, Wetherbee will center the docking ports of the two spacecraft precisely, double-checking the alignment 30 feet out. The final approach will be at a relative velocity of one-tenth of a foot per second.

When Discovery makes contact with Pressurized Mating Adapter 2 on the end of the Destiny module, latches will automatically attach the two spacecraft together. Once relative motion between the spacecraft stops, Thomas will retract the docking ring on Discovery's mechanism, closing latches to firmly secure the shuttle to the station

Early this morning, Wetherbee and Usachev received a congratulatory call from Sergio De Julio, president of the Italian Space Agency responsible for developing the Multi-Purpose Logistics Module, Leonardo, that holds nearly five tons of equipment to be transferred to the station. Leonardo will be temporarily attached to the station during the first of two scheduled space walks on Saturday, to allow the transfer of the equipment and supplies housed inside.

Meanwhile, on board the ISS, Expedition 1 Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev made last-minute preparations for the arrival of their temporary guests and long-term replacements. The Expedition crews will exchange places on the ISS in a three-step fashion, beginning with Usachev and Gidzenko, who will swap places as Station and Shuttle crew members early Saturday within hours after docking.

"You have a great looking ship there, Captain Shepherd," Wetherbee radioed to the station.

The linkup, which occurred as the two spacecraft were flying above the southern Pacific Ocean, just east of New Zealand, was delayed by about an hour when one of the station's P-6 solar arrays failed to register as being properly feathered to avoid damage from the shuttle steering jet plumes. Wetherbee hovered 400 feet away from the Pressurized Mating Adapter-2 port as he awaited the array latch verification and proper lighting conditions for his final approach.

Station flight controllers and crew members also teamed up to overcome a shuttle communications problem that occurred just after docking. Downlinked signals could not be relayed from the White Sands Ground Station in New Mexico to Houston for about 34 minutes, but messages were passed on to the shuttle crew via the space station control room and a radio link between the station and shuttle.

After hooks and latches created a secure bond, the hatches between the two spacecraft were opened at 2:51 a.m. CST, beginning eight days of docked operations. The eighth shuttle mission to the station will feature the first crew exchange aboard the multinational orbiting outpost and the delivery of the first research experiment package for the Destiny laboratory module.

Expedition Two Commander Yury Usachev was the first to join Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev aboard the station. He was followed closely by Wetherbee, Expedition Two Flight Engineers Jim Voss and Susan Helms, and visiting shuttle astronauts Jim Kelly, Andy Thomas and Paul Richards. All 10 crew members spent several minutes greeting each other in the spacious Destiny module.

The arrival of Discovery signaled the beginning of the end of the Expedition One crew's four and a half month stay onboard the International Space Station. The first crew members to trade places Saturday morning were Usachev and Gidzenko. Voss and Krikalev will switch out on Sunday. Shepherd won't trade his personalized Soyuz seat liner for Helms' until Tuesday evening, allowing almost a week for the the two commanders to exchange notes. Shepherd remains in control of expedition operations until the hatches close for the final time next Saturday.

The hatches between the two spacecraft were to be closed temporarily about 5:45 a.m. CST Saturday so that preparations for STS-102's first space walk by Helms and Voss can begin on time at 10:47 p.m. CST Saturday. That space walk will involve preparations for berthing of the Leonardo "moving van," or Multipurpose Logisitics Module to the Destiny module.

The orbiting complex is operating in fine shape at an altitude of 235 statute miles.

While their Commander Yury Usachev begins a handover of duties from Expedition One Commander Bill Shepherd aboard the International Space Station, the remaining members of the second station crew, astronauts Jim Voss and Susan Helms, will perform the space walk tonight, which will be the 17th devoted to assembly of the station.

The shuttle crew was awakened this evening by the song "Nothing's Gonna Stop Us Now," performed by Starship and played in anticipation of the planned Extravehicular Activity (EVA). Voss and Helms were scheduled to begin putting on their spacesuits about 7:30 p.m. Throughout the planned seven hour EVA, they will be assisted by Paul Richards, serving as the in-cabin space walk choreographer.

Once outside the shuttle's airlock, their first tasks will be to prepare for the repositioning of Pressurized Mating Adapter 3 - a shuttle docking port - which will be repositioned from the Earth-facing berth on the Unity module to its left-side berth. They will detach cables on that docking port and also detach a communications antenna from the left-side berth on Unity. Then their work will focus on preparing the exterior of the station's Destiny Laboratory for the arrival of the space station robotic arm that will be launched aboard Endeavour next month. They will attach an exterior cradle to the lab as well as cables that will be used for the arm's installation.

After about six hours of work, Voss and Helms will return to Discovery's airlock where they will stand by, ready to assist if needed, as Andy Thomas uses the shuttle's robotic arm to reposition the docking port. After more than seven hours outside, they plan to repressurize the airlock and enter Discovery's cabin at about 6:12 a.m. Sunday.

The hatches between Discovery and the International Space Station are closed now after having been opened for only a couple of hours early this morning just after Discovery docked to the complex. Usachev immediately moved to the station from the shuttle and Yuri Gidzenko, pilot for the first station crew, moved to Discovery. The hatches between the two spacecraft are to be reopened shortly after 8 p.m. Sunday, as the crew begins the fifth day of the mission.

Discovery and the station are in excellent condition in an orbit with a high point of 237 statute miles and a low point of 230 statute miles.

Discovery's crew was awakened today by the song "Blast Off" from the animated feature Scooby Doo and the Alien Invaders, played for astronaut Paul Richards as a selection from his children. The shuttle and station crews plan to reopen hatches between the two spacecraft at about 8:12 p.m. today. They will remain open for about eight hours before they again must be closed in preparation for a second space walk Monday night.

Just after the hatches open this evening, the crew exchange will continue with Expedition Two Flight Engineer Jim Voss taking up residence aboard the station and Expedition One Flight Engineer Sergei Krikalev moving to Discovery. With Expedition Two Commander Yury Usachev already aboard the complex since Saturday, only one more crewmember switch remains to complete the station's change of watch. Expedition One Commander Bill Shepherd will trade places with Expedition Two Flight Engineer Susan Helms Tuesday night.

As the crews work together tonight, moving gear inside the shuttle and station, Astronaut Andy Thomas will use Discovery's robotic arm to remove the Italian Space Agency-built Leonardo Multi-Purpose Logistics Module from the shuttle's cargo bay and attach it to the station's Unity module. Leonardo carries more than 5 tons of equipment and experiments that will be unloaded during the next few days before it is again detached from the station and stowed aboard Discovery to return to Earth.

Tonight's plan calls for Thomas to begin lifting Leonardo from Discovery's cargo bay at 9:12 p.m. He will maneuver it into place and latch it to the station at about 10:57 p.m. The station crew plans to enter the cargo module at about 5:42 a.m. Monday to begin the unloading.

Discovery and the International Space Station remain in excellent condition in an orbit with a high point of 236 statute miles and a low point of 229 statute miles.

The pair, destined to become members of the Expedition Two crew aboard the station later in the mission, began the 17th station assembly space walk at 11:12 p.m. CST Saturday. Inside Discovery, Paul Richards choreographed their activities and served as liaison with Mission Control.

The space walkers were delayed early in their excursion when a portable foot restraint attachment device became untethered, and Voss had to retrieve a spare from its storage location on the outside of the station's Unity module.

Helms and Voss successfully prepared Pressurized Mating Adapter-3 for repositioning from Unity's Earth-facing berth to its port-side berth to make room for Leonardo, the Italian Space Agency-built Multipurpose Logistics Module. They disconnected eight cables and removed an Early Communications System antenna from the left-side Common Berthing Mechanism so that shuttle robotic arm operator Andy Thomas could put the mating adapter in its place, freeing up the Earth-facing berthing port for Leonardo.

The space walkers also removed a Lab Cradle Assembly from the cargo bay and installed it on the side of the Destiny laboratory module, where it will form the base for station robotic arm to be launched on STS-100 in mid-April. Because of the early delay, they were instructed to defer power and data cable connections for the cradle until Monday's scheduled space walk by Richards and Thomas. Voss and Helms also installed a cable tray to Destiny for later use by the station's robot arm.

The pair reentered Discovery's airlock early Sunday and waited for Thomas to maneuver the docking port to its new location, but remained at the ready to assist if needed. After Commander Jim Wetherbee drove the Common Berthing Mechanism latches home and secured the docking port at 7:43 a.m., the airlock was repressurized, ending the space walk at 8:08 a.m. Sunday after 8 hours 56 minutes, making it the longest space walk in Shuttle history. The space walk brings the total exterior construction time on the station to 117 hours 39 minutes over the course of 17 space walks, and the total EVA time in Shuttle program history to 386 hours, 15 minutes over 61 separate space walks.

Meanwhile aboard the station, Expedition Two Commander Yury Usachev began a handover of duties from Expedition One Commander Bill Shepherd, with Flight Engineer Sergei Krikalev also still on board. The hatches between Discovery and the International Space Station are to be reopened shortly after 8 p.m. Sunday, as the crew begins the fifth day of the mission.

Both crews are scheduled to begin an eight-hour sleep period at 9:42 a.m. central time, awakening at 5:42 p.m. Discovery and the station are in excellent condition in an orbit of about 235 statute miles.

The song "From a Distance" performed by Nanci Griffith awakened Discovery's crew, and astronauts Paul Richards and Andy Thomas quickly began preparing for a planned six and a half hour space walk. Richards and Thomas plan to install a stowage platform for spare station parts as well as attach a spare pump to the platform, ready in the event future crews need it. They also will complete the connection of several cables that were put in place by astronauts Jim Voss and Susan Helms during their space walk conducted on Sunday. The cables, on the exterior of the Destiny laboratory, will be used by the station's robotic arm set for launch aboard the next space shuttle in April.

After the cable connections are completed, Richards and Thomas will climb to the top of the station where the giant, 240-foot wingspan United States solar arrays are attached and attempt to tap a brace for the port side array into its latched position. The brace, one of four, did not latch in place properly when the arrays were installed on the station last year. However, the other three braces are secure and the array's stability has not been a concern. In addition, several quick tasks are planned during the space walk, including work with a connector on the Unity module as part of an analysis of a past lab heater problem; taking photos of a vent on the Destiny lab and of the Zvezda service module's general exterior; and inspecting an exterior experiment called the Floating Potential Probe that has operated intermittently since it was installed on the station a few months ago.

During the space walk, Discovery Pilot Jim Kelly will operate the shuttle's robotic arm to maneuver Thomas as he carries gear between the shuttle and the station. Astronaut Susan Helms will serve as the in-cabin space walk coordinator aboard Discovery.

While Discovery's crew is busy installing exterior equipment, inside the station Expedition One Commander Bill Shepherd, Expedition Two Commander Yury Usachev and Expedition Two Flight Engineer Jim Voss will continue unloading the Leonardo logistics module. Leonardo, attached to the station last night, carried almost five tons of gear to be installed aboard the complex.

Richards and Thomas are scheduled to begin donning their space suits and associated gear at about 7:42 p.m. and exit Discovery's cabin at 10:47 p.m. The space walk is scheduled to conclude at 5:17 a.m. Tuesday.

Discovery and the International Space Station continue to orbit in excellent condition.

Operating Discovery's robotic arm, Thomas grappled the "crate" full of equipment racks and supplies at 9:37 p.m. Sunday, lifting it out of the shuttle's cargo bay at 10:10 p.m. Over the course of the next two hours, he slowly and deliberately moved the 11-ton module into place. At 12:02 a.m. today, STS-102 Commander Jim Wetherbee commanded the latches on the station's Earth-facing Common Berthing Mechanism to establish a tight seal with the Leonardo module.

The berthing of Leonardo to Unity took slightly longer than planned while Expedition One Commander Bill Shepherd rerouted video from the Centerline Berthing Camera System to the television monitors on the shuttle's aft flight deck so that Thomas could use the view looking directly out the berthing port at its corresponding opening on Leonardo. There also was a delay in activating the cargo carrier while Shepherd connected a Unity-to-Destiny power cable that provides electricity to systems inside Leonardo. Shepherd briefly entered the Leonardo module at 5:51 a.m. to retrieve the cable. He took it to the vestibule between the U.S. laboratory and Unity and made the required connections. Leonardo carries more than five tons of equipment and experiments that will be unloaded during the next few days before it is again detached from the station and stowed aboard Discovery to return to Earth.

The shuttle and station crews rejoined each other at 9:15 p.m. Sunday when the hatches separating them during the previous day's record-setting 8-hour, 56-minute space walk were reopened. With the hatches open, Jim Voss - the station's newest resident after a 10:45 p.m. swap-out with Sergei Krikalev - joined Expedition One Commander Bill Shepherd and Expedition Two Commander Yury Usachev on board the station. Only one more crew swap remains to complete the station's change of watch. Expedition One Commander Bill Shepherd will trade places with Expedition Two Flight Engineer Susan Helms on Tuesday. The hatches were closed once again at 5:39 a.m. today after 8 hours, 24 minutes. So far, the hatches between the shuttle and station have been open for a total of 10 hours, 27 minutes.

Meanwhile mission specialists Paul Richards and Thomas, with help from Helms, checked out the space suits they will wear for a planned 6-hour, 30-minute space walk scheduled to begin at 10:47 p.m. Monday. Richards and Thomas will finish up a task that was deferred from the first space walk, connecting cables on the Lab Cradle Assembly that will be the mounting location for the station's robotic arm when it arrives next month. Next, they'll install an External Stowage Platform on the hull of Destiny and hook up cables that will provide heater power to spare equipment that will be stored there. They'll place the first of such spares, a Pump and Flow Control Subassembly that regulates ammonia coolant flow, on the platform. The pair also will inspect the Floating Potential Probe that is designed to measure the electrical charge on the outside of the station but has not been providing data since being temporarily shut down for repositioning of the station's Soyuz escape vehicle in February.

Discovery and the International Space Station remain in excellent condition at an altitude of about 235 statute miles.

Discovery's crew was awakened this evening for the seventh day of the mission with the song "Free Fallin" by Tom Petty, a favorite of astronaut Susan Helms who today will take up official residence on the station as a member of the outpost's second crew. She will trade places with first expedition Commander Bill Shepherd, who is completing four and a half months aboard the complex. Though the crew transfer is complete tonight, the official end of the Expedition One increment occurs on Saturday when Discovery departs the ISS.

Usachev, Helms and Jim Voss are beginning a four-month stay in space. Shepherd, Flight Engineer Sergei Krikalev and Pilot Yuri Gidzenko have brought the station to life as members of the inaugural crew, launched Oct. 31, 2000, aboard a Russian Soyuz spacecraft from Kazakhstan. Both the first and second station crews will have several hours set aside today to compare notes and hand over duties.

The crews are ahead of schedule in unloading the Leonardo logistics module, with all seven systems racks - equipment that includes electronics, communications gear, experiments and medical facilities - already moved to the station's Destiny Laboratory. Included among those racks is the first major piece of station science equipment, called the Human Research Facility, which will study the effects of weightlessness on the human body. They will continue unloading supplies from the Italian Space Agency-developed cargo carrier today.

Helms, a Portland, Oregon, native, Usachev, Voss and Discovery Commander Jim Wetherbee will take a brief break from their work just after midnight for an interview with three Portland-area television stations.

Discovery and the International Space Station remain in excellent condition, orbiting Earth once every 92 minutes.

With help from shuttle robotic arm operator Jim Kelly and space walk choreographer Susan Helms, Richards and Thomas installed a stowage platform for spare station parts and attached a spare ammonia coolant pump to the platform. They also finished connecting several cables put in place by Astronauts Jim Voss and Susan Helms during their nearly nine-hour-long space walk Sunday. The cables, on the exterior of the Destiny laboratory module, will provide power and control of the station's Canadian-built robotic arm. Known as the Space Station Remote Manipulator System, the arm will be delivered and installed by the STS-100 crew in April.

Commander Jim Wetherbee deactivated and then reactivated Leonardo's DC-to-DC power converters and checked out the Lab Cradle Assembly, installed during the first space walk, which eventually will be used to connect the station's large truss structure to Destiny's hull.

Richards and Thomas also scaled the station to the top of its 240-foot-wide solar arrays and were successful in engaging a fourth latch for the port-side array's structural brace. Several other get-ahead tasks also were accomplished during the space walk, including a check of a Unity module heater connection and inspection of an exterior experiment called the Floating Potential Probe that has been operating intermittently. The space walkers reported they did not see any status lights on the probe; investigators on the ground will use that information to continue troubleshooting.

"Well, Andy, we were on top of the world there for a while," Richards said as the pair began returning to the airlock. "Yes, we were," Thomas replied.

The second and final planned space walk of the mission began at 11:23 p.m. Monday, and concluded at 5:44 a.m. Tuesday. The 6-hour, 21-minute space walk brings the total exterior construction time on the station to 124 hours over the course of 18 space walks, and the total EVA time in shuttle program history to 392 hours, 36 minutes over 62 separate space walks.

As Richards and Thomas worked outside the station, returning Expedition One Cosmonauts Yuri Gidzenko and Sergei Krikalev - now members of the Discovery crew - exercised inside the shuttle to help prepare their bodies for the return to Earth after four and a half months in orbit.

Inside the station, Expedition One Commander Bill Shepherd, and Expedition Two Commander Yury Usachev and Flight Engineer Jim Voss continued to unload the Leonardo logistics module. Among the five tons of gear being transferred is the first station research rack, the Human Research Facility, which will be installed inside Destiny this evening.

Discovery's crew will go to bed at 9:42 a.m. CST, and will get an extra half-hour of sleep before being awakened at 6:12 p.m. All station and shuttle systems are working well.

Helms was the third and final Expedition Two crew member to make the move, following Commander Yury Usachev and fellow Flight Engineer Jim Voss. Helms traded places with Expedition One Commander Bill Shepherd, who now joins Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev as a member of the STS-102 crew aboard the Space Shuttle Discovery. Though the crew transfer is complete, the official end of the Expedition One increment will occur Saturday when Discovery undocks at 9:54 p.m. CST.

Just after completing the transfer, Helms, who calls Portland, Oregon, home, floated into an interview with three Portland-area television stations wearing her Sokol space suit, which she would use in the unlikely event the crew needed to return home in the Soyuz capsule. The Expedition Two crew is scheduled to return home aboard the Space Shuttle Endeavour in July following the second station crew exchange.

The hatches between Discovery and the station remain open and cargo transfer activities continue ahead of schedule. More than 70 percent of the equipment and supplies already has been moved from the Italian-built Leonardo Multi-Purpose Logistics Module into the station. All seven systems racks - equipment that includes electronics, communications gear, experiments and medical facilities - already are in the Destiny laboratory. Included among those racks is the first major piece of station science equipment, called the Human Research Facility, which will study the effects of weightlessness on the human body. The remaining cargo to be transferred consists of supplies in soft-sided transfer bags.

Commander Jim Wetherbee also conducted two tests using the shuttle's steering jets, looking at the potential for using the shuttle's primary reaction control system thrusters to control station attitude and at the optimum method for reboosting the station using those jets. Wetherbee also set up the shuttle's autopilot to reboost the station overnight, eventually raising the station's altitude by about 8.5 statute miles.

Both crews begin their sleep periods at 9:42 a.m. today. They will be awakened at 5:42 p.m. Wednesday.

On Saturday, after two more days of cargo transfers and the return of the Leonardo module to the shuttle's cargo bay, the crews are scheduled to exchange farewells and close the hatches at 7:12 p.m. CST.

Discovery and the International Space Station remain in excellent condition, orbiting Earth at an altitude of approximately 235 statute miles.

The crews will spend today packing trash and unneeded equipment as well as luggage for the returning station crew in the Leonardo logistics module. They also will have some time off to rest after a busy week spent in space so far. The station crews also will continue comparing notes and handing over duties aboard the scientific outpost. During the handover activities, Expedition Two Flight Engineers Jim Voss and Susan Helms will begin a thorough checkout of the robotic workstation inside the Destiny Laboratory. It will be used to operate the station's Canadian-built remote manipulator system upon its arrival on the next shuttle mission next month.

The crews were awakened today with the song "Should I Stay, or Should I Go?" performed by The Clash, played for returning International Space Station Expedition One Commander Bill Shepherd from his wife, Beth.

Early this morning, near the end of the crew's seventh day in orbit, Discovery Commander Jim Wetherbee performed a reboost of the station and shuttle a day earlier than originally planned to ensure that the complex would remain clear of a piece of spacewalking equipment that floated free during the mission's first spacewalk. The approximately 50-minute long reboost, performed by gentle, repeated firings of Discovery's smallest steering jets, raised the station's and shuttle's orbit by almost two and half statute miles, keeping the complex well away from the lost foot restraint. Two more reboosts for the station are planned to take place later in the flight as originally scheduled for the mission.

Several crewmembers will take breaks from their work tonight to speak with media and students. At 2:17 a.m. Thursday, Wetherbee and Discovery Pilot Jim Kelly will field questions from three media from the Burlington, Iowa, area, Kelly's hometown. At 3:40 a.m., the crew is expected to send a message honoring the 75th anniversary of rocketry. Two hours later at 5:40 a.m., Wetherbee, Shepherd, Expedition Two Commander Yury Usachev, and Discovery astronaut Andy Thomas will field questions from school children in Dundee, Scotland.

Discovery and the International Space Station remain in excellent condition in an orbit with a high point of 243 statute miles and a low point of 230 statute miles.

Expedition Two Flight Engineers Jim Voss and Susan Helms spent most of their workday installing the Space Station Remote Manipulator System workstation inside the Destiny Laboratory. They activated a portion of the system that will be used to route television pictures from docked space shuttles to the control station for use by arm operators. The remaining activation work will start after Discovery undocks Saturday evening.

The Canadian-built appendage will be delivered on the STS-100 mission - set to launch April 19 - and attached to the Lab Cradle Assembly that Voss and Helms bolted to the side of the Destiny Laboratory Module during their space walk Sunday. The station arm's first job will be to install the airlock on STS-104, set for launch this June.

Load master Andy Thomas coordinated the transfer of equipment, supplies, trash and luggage between the station and shuttle with the help of Expedition Two Commander Yury Usachev and fellow Mission Specialist Paul Richards. All five tons of equipment and supplies delivered aboard the Leonardo Module have been transferred to the station. The crew is now concentrating on packing trash, unneeded equipment and luggage in the Italian-built Multi-Purpose Logistics Module for return to Earth.

Commander Jim Wetherbee and Pilot Jim Kelly answered questions posed by reporters in the area of Burlington, Iowa, Kelly's hometown. Wetherbee, Expedition One Commander Bill Shepherd, Usachev and Thomas talked with school children in Dundee, Scotland, who are following the mission because the crew is carrying a piece of the sailing research ship RRS Discovery launched 100 years ago at Dundee.

The astronauts and cosmonauts also took some time off to rest after a busy week and to continue handing over duties aboard the scientific outpost.

The station and shuttle are orbiting in fine fashion at an altitude of 240 statute miles following a 50-minute long series of reboost maneuvers. The gentle, repeated firings of Discovery's smallest steering jets took place a day earlier than originally planned to ensure that the complex would remain clear of a piece of equipment that floated free during the mission's first space walk. Further tracking has shown that the 10.5-pound Portable Foot Restraint Attachment Device is about 20 miles below and in front of the shuttle-station complex. Two more reboosts for the station are planned Friday and Saturday.

Lead Flight Director John Shannon said shuttle and station managers decided to extend the mission to allow ground controllers more time to analyze the placement and weight distribution of items the crew is sending home aboard the Leonardo Module. He said the decision also reflects added flexibility in station-era timelines, and the availability of sufficient stores of fuel and life-supporting consumables on board. Shannon said the crews, which had been working hard to complete the cargo transfers according to the original schedule, appeared more relaxed after receiving the news about the extension.

The Italian-built Leonardo Multi-Purpose Logistics Module now will be unberthed from the station and nestled back in Discovery's payload bay at 1:17 a.m. CST Sunday. Discovery will undock from the station about 10:30 p.m. Sunday and spend Monday stowing equipment and preparing for a return trip to Earth. With a return to the Kennedy Space Center at 11:55 p.m. CST Tuesday (12:55 a.m. EST Wednesday), Discovery will have spent almost 13 days in orbit, nine of them docked to the station.

Commander Jim Wetherbee joined the rest of his Discovery crew, the returning Expedition One crew and the Expedition Two crew in the station's Destiny Module as they answered questions from reporters during the traditional in-flight news conference. The briefing included queries from reporters in Texas, Florida, Alabama and Moscow and covered subjects ranging from whether the Expedition One crew is looking forward to its return to Earth to whether its astronauts and cosmonauts would relish another long-duration stay at the outpost.

"We basically put the space station in commission," said Bill Shepherd, who moved to the Discovery crew Wednesday. "We have taken something that was an uninhabited outpost, and we now have a fully functional station where the next crew can do research. I think that's the substance of our mission." Although Shepherd said he would be happy to return home to his family, he wasn't as sure about returning to Earth gravity. "To be honest," he said, "I'm not that anxious to see what it's going to be like."

Following a second hour-long reboost of the station, the complex is now orbiting at an altitude of about 237 statute miles.

Mission Specialist Andy Thomas coordinated the loading of about a ton of materials and equipment into the Italian-built Multi-Purpose Logistics Module with help from Pilot Jim Kelly and Mission Specialist Paul Richards. The astronauts are to exit the module at 8:42 p.m. CST, deactivate it at 9:02 p.m. and uncouple it from the station at 11:52 p.m. Using the shuttle's robotic arm, they are to latch it in the payload bay at 12:57 a.m. Sunday.

Commander Jim Wetherbee set in motion the third and final reboost of the station's altitude by executing a programmed series of gentle steering jet firings. The third reboost raised the shuttle altitude two statute miles, making the total reboost imparted during the STS-102 mission a little more than seven statute miles.

Departing Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev concentrated on sharing their handover notes with Expedition Two Commander Yury Usachev and Flight Engineers Susan Helms and Jim Voss.

Kelly, Richards and Thomas took time to answer questions from NBC News' Weekend Today Show and ABC News. About an hour later, Usachev, Gidzenko and Krikalev talked with reporters gathered in the Russian Mission Control Center in Korolev, outside Moscow.

Discovery is scheduled to undock from the station at 10:32 p.m. Sunday. When Discovery undocks from the station, it will mark the end of the Expedition One crew's 136-day stay onboard the outpost, beginning with their Nov. 2 arrival onboard a Soyuz spacecraft.

The shuttle and station remain in excellent health orbiting Earth at an altitude of approximately 235 statute miles.

The hatches between the shuttle and station were to be closed for a final time at about 7:30 tonight, leaving Expedition Two Commander Yury Usachev and his Flight Engineers, astronauts Jim Voss and Susan Helms, aboard the complex. The second crew is beginning a four-month stay aboard the station that will see the complex continue to grow in research capability and self-sufficiency as a robotic arm, more experiments and a new airlock are attached on future missions.

The first station expedition crew - led by Commander Bill Shepherd with Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev - is returning home after having brought the complex to life during its stay. The Expedition One crew docked to an uninhabited station that was about half the size and had only a fraction of the capability of the orbiting science complex and permanent home they are departing. The crews bid one another farewell about an hour before the hatch closing.

"We are on a true space 'ship' now, making her way above any Earthly boundary," Shepherd said as he handed command to Usachev.

"This ship was not built in a safe harbor but on the high seas," Discovery Commander Jim Wetherbee added.

During the almost nine days Discovery has been docked at the station, the crews unloaded almost five tons of experiments and equipment and repacked almost a ton of returning items. Discovery's mission also has set the stage for the continued expansion of the station when a Canadian robotic arm is launched aboard the shuttle Endeavour next month. Pilot Jim Kelly will be at the shuttle's helm as Discovery undocks from the station tonight, planned to occur at 10:32 p.m. Kelly will guide Discovery in an hour-long station flyaround where he will circle the station one and a quarter times, 450 feet away, while the crew records television and photos of the exterior.

After crewmate Paul Richards released the 16 bolts and associated latches holding the Multi-Purpose Logistics Module to its Common Berthing Mechanism port, Thomas received a "go" to begin moving the module with the shuttle's 50-foot-long robotic arm about 4:40 a.m. CST. About 90 minutes later, at 6:08 a.m., the Italian-built module was securely latched back in its its cargo bay cradle, ready for return to Earth.

Leonardo's unberthing occurred about four hours later than originally scheduled, due in part to a leaky vacuum access hose used to depressurize the small vestibule between Unity and Leonardo. The hatches between the two modules were closed and the vestibule was depressurized, but after a 15 minute leak check period, ground controllers noted pressure in the vestibule was not at expected levels. Expedition Two flight engineer Jim Voss reported he had found - and tightened - a loose fitting on one of those hoses. The crew was then asked to repeat the depressurization procedure, a process that takes approximately 45 minutes, to verify good seals between the modules. With that action complete, Thomas was given a go to proceed with the unberthing of Leonardo.

Also overnight, Commander Jim Wetherbee and Pilot Jim Kelly verified the performance of Discovery's general purpose computers. Ground analysis indicated that Saturday morning's quick power-up of two of those computers would not affect their performance, but flight controllers elected to perform the on-orbit procedure to validate the software load.

Discovery's crew is scheduled to begin its eight-hour sleep period at 8:42 a.m., waking at 4:42 p.m. The Expedition Two crew will go to sleep one hour later, at 9:42 a.m. and will awaken at 5:42 p.m. The hatches between Discovery and the ISS will be closed for the final time on this mission at 7:37 p.m. today following a final farewell between the STS-102 crew and the two Expedition crews. Discovery is set to undock from the ISS at 10:32 p.m. today, concluding a 136-day stay on board the station for its first resident crew - Commander Bill Shepherd, Soyuz Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev.

The hatches between the shuttle and station were closed for a final time at 8:32 p.m., about an hour after departing Expedition One Commander Bill Shepherd passed responsibility for the station to Expedition Two Commander Yury Usachev. As the hatches closed, Usachev, and flight engineers Jim Voss and Susan Helms marked the start of their four-month stay on orbit. The previous Expedition crew - Shepherd and Cosmonauts Yuri Gidzenko and Sergei Krikalev - are now headed home on board Discovery.

After the undocking -- which occurred as the two vehicles flew over Guyana, South America, and its capital of Georgetown -- Pilot Jim Kelly flew Discovery one-and-a-quarter turns around the space station before initiating a final steering jet separation burn at 11:48 p.m. CST. During the flyaround at a distance of 450 feet the crew recorded television and still images of the station's exterior.

The two vehicles were docked for a total of 8 days, 21 hours, 54 minutes, which brings the total time shuttles have been docked to the station to 55 days, 23 hours, 7 minutes. The hatches were open for a total of 142 hours, 22 minutes during three periods punctuated by space walk-necessitated closures.

Over the course of joint operations between the station and shuttle crews, Discovery Commander Jim Wetherbee, Kelly and Mission Specialists Andy Thomas and Paul Richards worked with the station crew unloading almost five tons of experiments and equipment from the Italian-built Multi-Purpose Logistics Module, and packing almost one ton of items for return to Earth. Discovery's space walkers - Voss and Helms, and Thomas and Richards -- also set the stage for continued expansion of the station by installing a platform that will be used to mount a Canadian-built robotic arm to the station next month.

After undocking, Discovery's crew spent the rest of the day exercising, talking with their families and enjoying some scheduled off-duty time. The shuttle crew will go to sleep at 8:12 a.m. and awaken at 4:12 p.m., while the station crew will begin its sleep shift at 3:30 p.m., awakening at midnight.

The crew was awakened to the song "Just What I Needed," performed by The Cars and played for returning International Space Station Commander Bill Shepherd, who, along with crew mates Yuri Gidzenko and Sergei Krikalev, is riding home aboard Discovery after four and a half months in orbit. Discovery's crew today will check out the flight controls the shuttle will require for the trip home, test fire the shuttle's steering jets, and perform an engine firing to adjust the shuttle's orbit to optimize landing opportunities. The crew also will spend much of the day packing up for Tuesday's entry and landing.

Shepherd, Gidzenko and Krikalev will take a break from packing at 11:12 p.m. Central to field questions from CNN, CBS News and KNBC-TV, Los Angeles, during a 20-minute interview. Later, at about 3:37 a.m. Central Tuesday, the crew will turn off and stow the shuttle's Ku-band antenna, used for television transmissions to the ground, for the remainder of the mission.

All preparations are focused on a landing for Discovery with a touchdown at 11:56 p.m. Central at the Kennedy Space Center in Florida. The weather forecast for landing in Florida currently calls for showers and low clouds that could be unacceptable. Options also exist for a landing at Edwards Air Force Base in California early Wednesday, if flight controllers decide to pursue those.

There are two landing opportunities available this evening for Discovery's return to the Kennedy Space Center. The first landing opportunity begins with a firing of the Shuttle's orbital maneuvering system engines at 10:50 p.m. for an 11:56 p.m. landing. A second opportunity, one orbit later, begins with a deorbit burn at 12:26 a.m. Wednesday, resulting in a landing at 1:31 a.m. Weather at the Kennedy Space Center is not expected to be favorable today, however, with the possibility of high winds, rain and clouds in the vicinity of the Shuttle Landing Facility. The backup landing site at Edwards Air Force Base in Calif. was called up for landing support this morning and weather conditions are expected to be acceptable there for landing. Flight controllers will continue to monitor the weather at both landing sites and Entry Flight Director Wayne Hale is expected to make a decision regarding landing opportunities shortly after 10:30 p.m. today.

Discovery's astronauts are scheduled to begin their deorbit preparations at 6:53 p.m. today - configuring the shuttle's computers for reentry, deactivating the galley and installing seats on the flight deck and middeck. The payload bay doors are scheduled to be closed at 8:10 p.m.

If given a go to land, Wetherbee and the shuttle crew - Pilot Jim Kelly and Mission Specialists Andy Thomas and Paul Richards will perform a series of procedures that will lead to the firing of the Shuttle's large orbital maneuvering engines later this evening, beginning the crew's hour-long reentry to Earth. Discovery is also bringing home the first occupants of the International Space Station, Expedition One Commander Bill Shepherd and Russian crewmates Yuri Gidzenko and Sergei Krikalev. After 141 days in space, the Expedition One crew will re-enter Earth's atmosphere reclining on seats designed to help ease the stress of gravity and landing on their bodies.

On board the International Space Station, Expedition Two Commander Yury Usachev and Flight Engineers Susan Helms and Jim Voss spent a relatively quiet day in space as they enjoyed another day of light activities.

Discovery continues to orbit the Earth in excellent shape at an altitude of 237 statute miles as its astronauts gear up for landing.

Landing is scheduled for 11:56 p.m. CST Tuesday (12:56 a.m. EST Wednesday), but Entry Flight Director Wayne Hale and his team are carefully watching weather conditions at the primary landing site. With low clouds, possible rain and gusty crosswinds expected at Kennedy Space Center in Florida, Hale decided to activate support at Edwards Air Force Base in California on Wednesday when conditions are expected to be at their best this week.

The first landing opportunity begins with a deorbit burn on Orbit 200 at 10:50 p.m. CST Tuesday and ends with landing at 11:56 p.m. in Florida. The second opportunity on Orbit 201 starts with an engine firing at 12:26 a.m. CST Wednesday and ends with landing in Florida at 1:31 a.m. The third chance calls for an Orbit 202 deorbit burn at 1:57 a.m. CST Wednesday and landing at Edwards at 3:02 a.m. The final prospect of the crew day begins with an engine firing at 3:33 a.m. CST Wednesday and ends with a California landing at 4:38 a.m.

Wetherbee and the shuttle crew - Pilot Jim Kelly and Mission Specialists Andy Thomas and Paul Richards - spent the day packing for the trip home and completing checks of the steering jets and flight controls the shuttle will use. They also fired Discovery's orbital maneuvering system engines to adjust the shuttle's orbit and optimize landing opportunities, testing the braking rockets they use to begin re-entering the Earth's atmosphere.

ISS Expedition One Commander Bill Shepherd and crewmates Yuri Gidzenko and Sergei Krikalev took time out from their packing to answer questions posed by three television news reporters. Tonight, the returning Expedition One crew members will set up the reclining seats to help ease the stress of landing on their bodies, which have not experienced gravity for four and a half months.

Meanwhile, the Expedition Two crew aboard the station - Commander Yury Usachev and Flight Engineers Susan Helms and Jim Voss - began settling into their new home and shift schedule. Awakening at midnight Tuesday, they began their daily exercise regimen and set up the station toilet for use by its first female crew member.

The crew aboard Discovery is scheduled to begin its sleep shift at 7:42 a.m. CST and wake up to begin final landing preparations at 3:42 p.m. Bedtime for the station crew is 3:30 p.m. CST.

STS-102 Commander Jim Wetherbee fired Space Shuttle Discovery's engines at 12:26 a.m. CST to begin the shuttle's descent. With assistance from Pilot Jim Kelly, he made a smooth landing on Runway 15, the 17th night landing in the shuttle program and the 12th night landing at Kennedy. The shuttle had traveled a total of 5,357,762 statute miles.

Expedition One Commander Bill Shepherd, Pilot Yuri Gidzenko and Flight Engineer Sergei Krikalev, riding home in reclining seats to lessen the stress, felt the tug of gravity for the first time in 141 days following their Oct. 31, 2000, launch to the station aboard a Russian Soyuz capsule. The Expedition One crew will be reunited with their families in Florida this morning, and then begin a medical and rehabilitation period of about 45 days.

Wetherbee, Kelly and Mission Specialists Paul Richards and Andy Thomas had spent a total of 12 days, 19 hours, 49 minutes on orbit. They had conducted a successful rendezvous and docking with the space station complex, supported two space walks to facilitate the first use of the Leonardo Multi-Purpose Logistics Module and installed a station robot arm anchor point. They also witnessed the first station crew changeout, unloaded 5 tons of equipment and experiments, and packed up a ton of unneeded station equipment and trash for return to Earth on Discovery.

All seven spacefarers are expected to return home to Houston on Thursday afternoon.

Entry Flight Director Wayne Hale made the a decision to land in Florida just before midnight after cloudy skies and gusty winds had cleared due to a low-pressure system that raced through the Shuttle Landing Facility area faster than expected Tuesday night.

On board the International Space Station, Expedition Two Commander Yury Usachev and Flight Engineers Susan Helms and Jim Voss were expected to hear word of their compatriots' landing later this morning. The trio spent a relatively quiet day in space getting acclimated to their news surroundings and preparing themselves for what will soon be a busy schedule of activiities continuing the outfitting of the space station and beginning scientific research in its Destiny laboratory.

Shortly after the crews onboard Endeavour and the International Space Station were awakened, they prepared to take a moment to pay tribute to those who lost their lives in the attacks on America on September 11, as part of President Bush's "Anthems of Remembrance" event. The event will take place at 7:46 a.m. CST, the exact moment of the attack three months ago.

The United States and Russian national anthems will be played in the shuttle and station flight control rooms in Mission Control and aboard the shuttle and the space station. The three commanders aboard the two spacecraft - Shuttle Commander Dom Gorie, Expedition Three Commander Frank Culbertson, and Expedition Four Commander Yury Onufrienko, will share their personal thoughts as well as play a special pre-recorded message from the rest of the crew currently in orbit.

Onufrienko, along with Expedition Three crew members Vladimir Dezhurov and Mikhail Tyurin, will take time today to talk with Russian media located at the mission control center outside Moscow in an interview scheduled to begin at 9:24 a.m. Later in the day, the full crews - Gorie, Onufrienko, Culbertson, Pilot Mark Kelly, Mission Specialists Linda Godwin and Dan Tani, Expedition Four flight engineers Carl Walz and Dan Bursch, along with Dezhurov and Tyurin - will have an opportunity to talk with American news media during a crew news conference scheduled for 2:04 p.m.

A ceremony to mark the change of command from Culbertson to Onufrienko will take place at 2:48 p.m. today. Culbertson, in his 123rd day in space, will ceremoniously pass command of the space station on to Onufrienko, its newest commander. The official crew exchange occurred Saturday, December 8 with the transfer of Soyuz seatliners for each crew member. Today's event continues the tradition begun by Expedition One Commander Bill Shepherd in March of this year, when he relinquished command of the ISS to Expedition Two Commander Yury Usachev.

The crews will also continue transferring equipment and supplies from the Raffaello Multi-Purpose Logistics Module to the space station for later use by the Expedition Four Crew. About 4,000 pounds of cargo has already been transferred from Raffaello to the station.

Today's agenda for the shuttle crew - Commander Dom Gorie, Pilot Mark Kelly, and Mission Specialists Dan Tani and Linda Godwin - will focus on packing up the Raffaello Multi-Purpose Logistics module with unneeded equipment and supplies for the return flight home. Raffaello will be detached from the Unity module of the International Space Station tomorrow and reberthed in Endeavour's cargo bay for its ride back to Earth. Endeavour is currently scheduled to undock from the station on Saturday morning, with landing planned for early Monday afternoon at the Kennedy Space Center.

The Expedition Three crew will also continue handover activities with the Expedition Four crew - Commander Yury Onufrienko, and Flight Engineers Dan Bursch and Carl Walz.

A ceremony to mark the change of command from Culbertson to Onufrienko will take place at 3:09 p.m. CST. Culbertson, in his 125th day in space, will formally hand command of the space station on to Onufrienko, it's newest commander. The official crew exchange occurred Saturday, December 8 with the transfer of Soyuz seatliners for each crew member. Today's event continues the tradition begun by Expedition One Commander Bill Shepherd in March of this year, when he relinquished command of the ISS to Expedition Two Commander Yury Usachev.

With the crew completing the stowage of Raffaello for the trip home, work to replace a faulty compressor in an air conditioner unit in the Zvezda Service Module was deferred until tomorrow morning, concurrent with the closing of the hatch to the Raffaello module prior to its detachment from the ISS.

At 1:55 a.m. Central time, Walz set a new U.S. record for most aggregate days spent in orbit, exceeding Shannon Lucid's record as he reached the 223 day mark accrued over five flights. Last night, Walz and Bursch also surpassed Lucid's U.S. single spaceflight endurance record of 188 days at 9:19 p.m. Central time.

Today, along with Expedition Five Commander Valery Korzun and Flight Engineers Peggy Whitson and Sergei Treschev, the 10 astronauts and cosmonauts will continue to transfer unneeded station equipment and supplies to the Leonardo Multi-Purpose Logistics Module to be returned to earth. Handover conferences will also continue between the two Expedition crews.

The crewmembers will also review the plans for the third and final spacewalk of the mission on Thursday. Chang-Díaz and Perrin will replace a faulty wrist roll joint on the space station's robotic arm, the Canadarm2.

Reporters in the U.S., France and Canada will also have a chance to question the two crews on the progress of the flight during a Joint Crew News Conference this afternoon.

The second of three reboosts of the station's altitude will be performed later today, using the shuttle jets to counter the natural effects of atmospheric drag on the station's orbit.

All systems on both Endeavour and the International Space Station continue to function normally as the two craft orbit the Earth every 90 minutes at an altitude of 240 statute miles.