Encyclopedia Astronautica
April 15


April 15 Chronology


1909 April 15 - .
  • Birth of Hans Paul - . Nation: Germany; USA. Summary: German engineer in WW2, member of the Rocket Team in the United States thereafter..

1916 April 15 - .
  • Birth of Nikolai Stepanovich Lidorenko - . Nation: Russia. Summary: Russian engineer. Chief Designer of NII IT. Specialised in power sources for spacecraft, including Sputnik..

1921 April 15 - .
1931 April 15 - . Launch Vehicle: Tiling.
  • Tiling rocket - . Nation: Germany. Related Persons: Tiling. Apogee: 0.80 km (0.50 mi). Summary: Reinhold Tiling, financed by Baron von Ledebour, publicly demonstrates his compressed black powder rocket design at Osnabrueck. The 1.8 m long rocket uses flip-out wings for recovery, and reach altitudes of 800 m..

1932 April 15 - .
  • Birth of Nikolai Stepanovich Porvatkin - . Nation: Russia. Summary: Russian engineer cosmonaut, 1967-1983. Graduated from Technical Air Force School, 1952. Graduated from Zhukovsky Air Force Engineering Academy, Monino, 1960. Cosmonaut training May 1967 - 18 August 1967. Worked at NPO Energia..

1943 April 15 - . LV Family: V-2. Launch Vehicle: V-2.
  • V-2 development detected by British Intelligence. - . Nation: Germany. Related Persons: von Braun. Summary: Prime Minister Winston Churchill of England was informed of reports on German experiments with long-range rockets..

1950 April 15 - .
  • Missile development moved to Redstone Arsenal. - . Nation: USA. Program: Explorer. Summary: Peenemuende team moved from White Sands to Huntsville.

1951 April 15 - .
  • Birth of John Lynch Phillips - . Nation: USA. Summary: American physicist mission specialist astronaut. Flew on STS-100, ISS EO-11, STS-119..

1951 April 15 - .
  • Birth of Marsha Sue Ivins - . Nation: USA. Summary: Jewish-American engineer mission specialist astronaut. Flew on STS-32, STS-46, STS-62, STS-81, STS-98. NASA flight engineer..

1954 April 15 - . Launch Site: White Sands. LV Family: Nike. Launch Vehicle: Nike. LV Configuration: Nike 1629E.
  • Test mission - . Nation: USA. Agency: USA. Apogee: 10 km (6 mi).

1955 April 15 - . Launch Site: Kapustin Yar. Launch Complex: Kapustin Yar V-2. LV Family: R-1. Launch Vehicle: R-1 8A11. LV Configuration: R-1 8A11 No 215.
  • Operational test - . Nation: USSR. Agency: Korolev. Apogee: 100 km (60 mi).

1956 April 15 - . LV Family: Redstone. Launch Vehicle: Redstone.
  • First Redstone batallion formed. - . Nation: USA. Summary: The first Redstone missile battalion, the 217th Field Artillery Missile Battalion, was formally activated at Redstone Arsenal..

1956 April 15 - .
1957 April 15 - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC1. Launch Pad: LC1/2?. LV Family: Snark. Launch Vehicle: Snark. LV Configuration: Snark N-69D Inertial 2.
  • Test mission - . Nation: USA. Agency: USAF. Apogee: 10 km (6 mi).

1959 April 15 - . LV Family: Saturn I. Launch Vehicle: Saturn A-1.
  • Use of Titan for Saturn upper stages - . Nation: USA. Program: Apollo. In response to a request by the DOD-NASA) Saturn Ad Hoc Committee, the Army Ordnance Missile Command (AOMC) sent a supplement to the "Saturn System Study" to the Advanced Research Projects Agency ARPA describing the use of Titan for Saturn upper stages. Additional Details: Use of Titan for Saturn upper stages.

1960 April 15 - .
  • Birth of Mikhail Borisovich Korniyenko - . Nation: Russia. Summary: Russian engineer cosmonaut, 1998-on. Graduated from Moscow Aviation Institute, 1987 Worked as an engineer at KBOM, then transferred to RKKE. Cosmonaut training completed November 19, 1999..

1960 April 15 - . Launch Site: White Sands. Launch Complex: White Sands LC36. Launch Pad: ALA3. LV Family: Redstone. Launch Vehicle: Redstone. LV Configuration: Redstone 2021.
  • T-1 Capsule - . Nation: USA. Agency: USA. Apogee: 90 km (55 mi). Summary: Successful missile test. Missed aimpoint by 17 m..

1960 April 15 - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Luna 8K72. LV Configuration: Vostok-L 8K72 L1-9. FAILURE: The third stage RO-5 engine either did not reach full thrust or shut down early.. Failed Stage: 3.
  • Luna failure - third stage insufficient delta V - . Payload: E-3 s/n 1. Nation: USSR. Agency: RVSN. Program: Luna. Class: Moon. Type: Lunar probe. Spacecraft: Luna E-3. Decay Date: 1960-04-15 . COSPAR: F600415A. Summary: Reached an altitude of 200,000 km before plunging back to earth..

1960 April 15 - . 20:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC1E. LV Family: Delta. Launch Vehicle: Thor Agena A. LV Configuration: Thor Agena A 234 / Agena A 1055.
  • Discoverer 11 - . Payload: KH-1 9008 / Agena A 1055. Mass: 790 kg (1,740 lb). Nation: USA. Agency: USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-1. Decay Date: 1960-04-26 . USAF Sat Cat: 32 . COSPAR: 1960-Delta-1. Apogee: 603 km (374 mi). Perigee: 166 km (103 mi). Inclination: 80.4000 deg. Period: 92.20 min. Summary: KH-1; film capsule recovery failed. Mission failed. Attitude control system malfunctioned..

1961 April 15 - . 13:58 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC41/4. Launch Pad: LC41/pad?. LV Family: R-16. Launch Vehicle: R-16. LV Configuration: R-16 7L-12T. FAILURE: Failure.
  • Test mission - . Nation: USSR. Agency: RVSN. Apogee: 0 km ( mi).

1962 April 15 - .
  • Mercury MA-7 water exercise training program - . Nation: USA. Program: Mercury. Flight: Mercury MA-7. Scott Carpenter and Walter Schirra, designated as pilot and backup pilot, respectively, for the Mercury-Atlas 7 (MA-7) manned orbital mission, underwent a water exercise training program to review procedures for boarding the life raft and the use of survival packs.

1963 April 15 - .
  • Flight plan for Mercury MA-9 - . Nation: USA. Program: Mercury. Flight: Mercury MA-9. Summary: The Manned Spacecraft Center published a detailed flight plan, and the assumption was made that the mission would be nominal, with any required changes being made by the flight director. . Additional Details: Flight plan for Mercury MA-9.

1964 April 15 - . LV Family: Titan. Launch Vehicle: Titan 2.
  • After reviewing the results of Gemini-Titan (GT) 1, the Gemini Management Panel remained optimistic that manned flight could be accomplished in 1964. - . Nation: USA. Flight: Gemini 3. According to the work schedule, GT-2 could fly on August 24 and GT-3 on November 16, with comfortable allowances for four-week slips for each mission. Some special attention was devoted to GT-2, where the spacecraft had become the pacing item, a position held by the launch vehicle on GT-1. Spacecraft No. 2 systems tests had started one month late but were proceeding well. In addition, the schedule looked tight for starting spacecraft No. 3 systems tests on June 1.

1964 April 15 - . 01:21 GMT - . Launch Site: Ascension. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.24UA.
  • UM Pitot 5 / Fire calibration Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 158 km (98 mi).

1964 April 15 - . 15:56 GMT - . Launch Site: Ascension. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.23UA.
  • UM Pitot 6 / Fire calibration Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 158 km (98 mi).

1964 April 15 - . 23:25 GMT - . Launch Site: Wallops Island. LV Family: Javelin. Launch Vehicle: Javelin. LV Configuration: Javelin NASA 12.03GT/GI.
  • Ionosphere / test - . Nation: USA. Agency: NASA. Apogee: 727 km (451 mi).

1965 April 15 - .
  • First firing of the Apollo LEM ascent engine test rig - . Nation: USA. Program: Apollo. Spacecraft: Apollo LM; LM Ascent Propulsion. The first firing of the LEM ascent engine test rig (HA-3) was successfully conducted at White Sands Missile Range, New Mexico. A second firing on April 23 lasted 14.45 sec instead of 10 sec as planned. A third firing, lasting 30 sec, completed the test series. A helium pressurization system would be installed before additional testing could begin.

1965 April 15 - .
  • Interkosmos program authorised. - . Nation: USSR. Spacecraft: DS-U1-IK. Summary: Central Committee of the Communist Party and Council of Soviet Ministers Decree 'On Co-operation of the USSR and Socialist Countries in the Sphere of Research and Use of Space-international co-operation' was issued..

1965 April 15 - . LV Family: Titan. Launch Vehicle: Titan 2.
  • Martin-Denver delivered the propellant tanks for Gemini launch vehicle 8 to Martin-Baltimore. - . Nation: USA. Flight: Gemini 8. Tank fabrication had begun September 25, 1964. Aerojet-General delivered the stage I engine on June 16 and the stage II on August 20. In the meantime, tank splicing was completed August 3. Engine installation was completed September 23, and all hoizontal testing ended September 27.

1965 April 15 - .
  • Birth of Soichi Noguchi - . Nation: Japan. Summary: Japanese engineer mission specialist astronaut. Flew on STS-114, ISS EO-22..

1965 April 15 - . LV Family: Saturn V. Launch Vehicle: Saturn V.
  • First ground test firing of S-II stage - . Nation: USA. Program: Apollo.

1965 April 15 - . 10:45 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC35. LV Family: Aerobee. Launch Vehicle: Aerobee 150. LV Configuration: Aerobee 150 NASA 04.127UA.
  • AF-142 thermodynamic comparison Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 198 km (123 mi).

1965 April 15 - . 16:00 GMT - . Launch Site: Pacific Ocean. Launch Pad: 52.6 S x 78.3 W. Launch Platform: CVE-25. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.25UA.
  • UM Pitot 15 Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 140 km (80 mi). Summary: Launched at 1965 Croatan MRF Expedition LP41 - - Latitude: 52.58 S - Longitude: 78.33 W..

1965 April 15 - . 18:02 GMT - . Launch Site: Pacific Ocean. Launch Pad: 52.5 S x 78.2 W. Launch Platform: CVE-25. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.100UA.
  • Composition Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 200 km (120 mi). Summary: Launched at 1965 Croatan MRF Expedition LP42 - - Latitude: 52.52 S - Longitude: 78.22 W..

1966 April 15 - .
  • NASA said to need a manned space flight goal other than "using Apollo hardware" - a Mars flyby or landing mission. - . Nation: USA. Related Persons: Gilruth; Mueller. Spacecraft: IMIS 1968; Von Braun Mars Expedition - 1969. MSC Director Robert R. Gilruth summarized Houston's position expressed during discussions with Associate Administrator for Manned Space Flight George E. Mueller two days earlier. Gilruth cited NASA s need for a manned space flight goal other than 'using Apollo hardware' (and suggested a Mars flyby or landing mission as an in-house focus for planning.) Also, he repeated his concern over the imbalance between AAP goals and resources, as well as the extent of engineering redesign and hardware modification that had been forced upon the project. Though expressing his and MSC's desire to contribute to and be a part of AAP, Gilruth voiced concern that 'the future of manned space flight . . . is in jeopardy because we do not have firm goals, and because the present approach appears to us to be technically unsound.'

1966 April 15 - . LV Family: Atlas. Launch Vehicle: Atlas Agena D SLV-3.
1966 April 15 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF07. LV Family: Minuteman. Launch Vehicle: Minuteman 1B. LV Configuration: Minuteman 1B 1312.
  • Follow-on operational missile test - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi).

1967 April 15 - . 11:00 GMT - . Launch Site: Kapustin Yar. Launch Complex: Kapustin Yar V-2. LV Family: M-100. Launch Vehicle: M-100.
  • - . Nation: USSR. Agency: GMS. Apogee: 76 km (47 mi).

1968 April 15 - . 09:34 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511.
  • Cosmos 213 - . Payload: Soyuz 7K-OK (P) s/n 7. Mass: 6,500 kg (14,300 lb). Nation: USSR. Related Persons: Beregovoi. Agency: MOM. Program: Soyuz. Class: Manned. Type: Manned spacecraft. Spacecraft: Soyuz 7K-OK. Duration: 5.02 days. Decay Date: 1968-04-20 . USAF Sat Cat: 3193 . COSPAR: 1968-030A. Apogee: 254 km (157 mi). Perigee: 188 km (116 mi). Inclination: 51.7000 deg. Period: 88.90 min. Cosmos 213 was the target for Cosmos 212 in a successful test of Soyuz 7K-OK rendezvous and docking systems. The Cosmos 213 launch was the most accurate yet. The spacecraft was placed in orbit only 4 km from Cosmos 212, ready for a first-orbit docking. Both spacecraft were recovered, but Cosmos 213 was dragged by heavy wind across the steppes when the parachute lines didn't jettison at touchdown. This failure caused the upcoming Soyuz 2/3 manned docking mission to be scaled back.
    Officially: Investigation of outer space, development of new systems and elements to be used in the construction of space devices. Additional Details: Cosmos 213.

1969 April 15 - . 08:14 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. Launch Pad: LC1 or LC31. LV Family: R-7. Launch Vehicle: Voskhod 11A57.
  • Cosmos 279 - . Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-4. Duration: 8.00 days. Decay Date: 1969-04-23 . USAF Sat Cat: 3893 . COSPAR: 1969-038A. Apogee: 267 km (165 mi). Perigee: 192 km (119 mi). Inclination: 51.7000 deg. Period: 89.00 min. Summary: High resolution photo reconnaissance satellite; returned film capsule.

1969 April 15 - . 11:03 GMT - . Launch Site: Kiruna. Launch Complex: Kiruna C. LV Family: Belier. Launch Vehicle: Centaure. LV Configuration: Centaure C39/2.
  • ESRO C39 / 2 Aurora mission - . Nation: Europe. Agency: ESRO. Apogee: 134 km (83 mi).

1969 April 15 - . 17:30 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan 3B. LV Configuration: Titan IIIB 3B-21.
  • OPS 5310 - . Payload: KH-8 no. 21 / Agena D. Mass: 3,000 kg (6,600 lb). Nation: USA. Agency: NRO; USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-8. Decay Date: 1969-04-30 . USAF Sat Cat: 3895 . COSPAR: 1969-039A. Apogee: 410 km (250 mi). Perigee: 135 km (83 mi). Inclination: 108.8000 deg. Period: 90.00 min. Summary: KH-8 type satellite. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

1970 April 15 - .
  • Apollo 13 swings behind the moon - . Nation: USA. Flight: Apollo 13. At 00:21:35 GMT Apollo 13 passed behind the moon, out of radio contact with earth. Flying high above the lunar surface, the crew reached a distance of 401,056 km from the center of the earth, an all-time altitude record. At 02:40:39 GMT the cold, exhausted, and ailing crew conducted a completely manual 4 minute 23 second burn of the LM descent engine to reduce the coast time back to earth and moved the landing point from the Indian Ocean to the South Pacific. Additional Details: Apollo 13 swings behind the moon.

1970 April 15 - . Launch Site: Baikonur. Launch Complex: Baikonur LC161/35. LV Family: Tsiklon. Launch Vehicle: R-36 8K67P.
  • State trials missile test - . Nation: USSR. Agency: RVSN. Apogee: 1,000 km (600 mi).

1970 April 15 - . 09:00 GMT - . Launch Site: Plesetsk. LV Family: R-7. Launch Vehicle: Voskhod 11A57.
  • Cosmos 333 - . Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-4M. Duration: 13.00 days. Decay Date: 1970-04-28 . USAF Sat Cat: 4373 . COSPAR: 1970-030A. Apogee: 239 km (148 mi). Perigee: 219 km (136 mi). Inclination: 81.3000 deg. Period: 89.10 min. Summary: High resolution photo reconnaissance satellite; returned film capsule; maneuverable..

1970 April 15 - . 15:52 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan 3B. LV Configuration: Titan 23B 23B-4 (3B-26).
  • OPS 2863 - . Payload: KH-8 no. 26 / Agena D. Mass: 3,000 kg (6,600 lb). Nation: USA. Agency: NRO; USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-8. Decay Date: 1970-05-06 . USAF Sat Cat: 4375 . COSPAR: 1970-031A. Apogee: 388 km (241 mi). Perigee: 130 km (80 mi). Inclination: 111.0000 deg. Period: 89.70 min. Summary: KH-8 type satellite. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A). .

1971 April 15 - .
  • Anokhin injured - . Nation: USSR. Related Persons: Anokhin. Summary: Anokhin injured in the crash of a Tu-16 into the Aral Sea. The bomber was flying parabolas for zero-G tests of the engine of the Block L stage of Mishin's bureau, to study why the stage was continually failing to restart in earth orbit..

1971 April 15 - .
  • Salyut 1 erected on pad. - . Nation: USSR. Related Persons: Shatalov; Yeliseyev; Rukavishnikov; Mishin. Program: Salyut. Flight: Soyuz 10; Soyuz 11; Soyuz 12 / DOS 1. Spacecraft: Salyut 1. The Proton booster is erected on the pad. The decision is made to proceed despite a prediction of 15 m/s winds -- the prediction turns out to be wrong. All of the big brass are present for the rollout. Afterwards Mishin visits the cosmonauts. He says all is ready for the first space station mission, and promises them the N1-L3 will be available soon for lunar missions.

1971 April 15 - . LV Family: N1. Launch Vehicle: N1.
  • Salyut preparations - . Nation: USSR. Related Persons: Mishin; Chelomei. Program: Lunar L3; Salyut; Almaz. Spacecraft: Salyut 1; Almaz OPS; MKBS. The Salyut station was prepared in a huge two story bunker built for launch vehicle / payload processing. The contrast between the money lavished by the military on this facility for Chelomei's projects and the limited funds available for a proper N1 preparation and test facilities was enormous. Here funds were available without limit. The air was controlled by a self-contained environmental control system with its own independent electrical-diesel generators. The facility was a miracle. It was shocking that this was made available for Almaz, while the military told Mishin that he would have to prepare the immense MKBS station in the uncontrolled environment, subject to frequent power blackouts, of the N1 facility. At Chelomei's facility, everything was completely checked out on earth prior to launch.

1971 April 15 - . Launch Site: WTR Launch Area. Launch Platform: EAG-154. LV Family: Polaris. Launch Vehicle: Polaris A2.
  • Safeguard M1-7 Target mission - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1971 April 15 - . 00:30 GMT - . Launch Site: Kiruna. LV Family: Petrel. Launch Vehicle: Petrel 1. LV Configuration: Petrel P66K.
  • Winds / E field Aurora mission - . Nation: UK. Agency: SRC. Apogee: 131 km (81 mi).

1971 April 15 - . 09:19 GMT - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B. LV Configuration: Diamant B No. 3.
  • Tournesol - . Payload: D-2A. Mass: 96 kg (211 lb). Nation: France. Agency: CNES. Class: Earth. Type: Geodetic satellite. Spacecraft: D. Decay Date: 1980-01-28 . USAF Sat Cat: 5128 . COSPAR: 1971-030A. Apogee: 696 km (432 mi). Perigee: 457 km (283 mi). Inclination: 46.3000 deg. Period: 96.20 min.

1972 April 15 - . 00:45 GMT - . Launch Site: Eglin. LV Family: Nike. Launch Vehicle: Nike Iroquois. LV Configuration: Nike Iroquois CRL A07.106-2.
  • Release Aeronomy mission - . Nation: USA. Agency: AFCRL. Apogee: 148 km (91 mi).

1972 April 15 - . 01:04 GMT - . Launch Site: Eglin. LV Family: Tomahawk Sandia. Launch Vehicle: Paiute Tomahawk. LV Configuration: Paiute Tomahawk CRL A10.005-1.
  • Release Aeronomy mission - . Nation: USA. Agency: USAF CRL. Apogee: 229 km (142 mi).

1972 April 15 - . 06:22 GMT - . Launch Site: White Sands. LV Family: Aerobee. Launch Vehicle: Aerobee 170. LV Configuration: Aerobee 170 CRL A04.004-7.
  • HISTAR 5 Infrared astronomy mission - . Nation: USA. Agency: AFCRL. Apogee: 177 km (109 mi).

1974 April 15 - . 20:55 GMT - . Launch Site: Barking Sands. Launch Vehicle: Rocketsonde.
  • Starute, Datasonde - . Nation: USA. Agency: MRN. Apogee: 56 km (34 mi).

1975 April 15 - .
  • Death of John Barron McKay at Lancaster, California. Liver failure stemming from X-15 crash injuries. - . Nation: USA. Related Persons: McKay. Summary: American NASA test pilot, 1952-1971. Flew into space on X-15 Flight 150, but seriously injured in an X-15 crash in 1962..

1976 April 15 - . 21:00 GMT - . Launch Site: Kheysa. LV Family: M-100. Launch Vehicle: M-100.
  • - . Nation: USSR. Apogee: 86 km (53 mi).

1977 April 15 - . 14:00 GMT - . Launch Site: Kheysa. LV Family: M-100. Launch Vehicle: M-100.
  • - . Nation: USSR. Apogee: 93 km (57 mi).

1978 April 15 - . 16:39 GMT - . Launch Site: Jiuquan. Launch Complex: Jiuquan LA2B. LV Family: CZ. Launch Vehicle: FB-1. LV Configuration: Feng Bao 1 701(II)-02.
  • DDDS test - . Nation: China. Agency: PRC. Apogee: 200 km (120 mi).

1979 April 15 - . 09:25 GMT - . Launch Site: Poker Flat. LV Family: Tomahawk Sandia. Launch Vehicle: Nike Tomahawk. LV Configuration: Nike Tomahawk NASA 18.218GE.
  • Plasma mission - . Nation: USA. Agency: NASA. Apogee: 270 km (160 mi).

1979 April 15 - . 09:31 GMT - . Launch Site: Poker Flat. LV Family: Terrier. Launch Vehicle: Terrier Malemute. LV Configuration: Terrier Malemute NASA 29.11GE.
  • Plasma mission - . Nation: USA. Agency: NASA. Apogee: 671 km (416 mi).

1980 April 15 - . 03:55 GMT - . Launch Site: Kwajalein. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 75 km (46 mi).

1981 April 15 - . 10:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. Launch Pad: LC1 or LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1264 - . Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-6U. Duration: 14.00 days. Decay Date: 1981-04-29 . USAF Sat Cat: 12400 . COSPAR: 1981-035A. Apogee: 382 km (237 mi). Perigee: 205 km (127 mi). Inclination: 70.4000 deg. Period: 90.40 min. Summary: Photo surveillance; returned film capsule..

1982 April 15 - . 07:20 GMT - . Launch Site: Poker Flat. LV Family: Tomahawk Sandia. Launch Vehicle: Nike Tomahawk. LV Configuration: Nike Tomahawk NASA 18.1028GE.
  • Plasma mission - . Nation: USA. Agency: NASA. Apogee: 270 km (160 mi).

1982 April 15 - . 14:30 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1350 - . Payload: Yantar-2K s/n 978. Mass: 6,600 kg (14,500 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Yantar-2K. Duration: 31.00 days. Decay Date: 1982-05-16 . USAF Sat Cat: 13134 . COSPAR: 1982-032A. Apogee: 355 km (220 mi). Perigee: 172 km (106 mi). Inclination: 67.1000 deg. Period: 89.80 min. Summary: Area survey photo reconnaissance; returned film in two small SpK capsules during the mission and with the main capsule at completion of the mission..

1983 April 15 - . 18:45 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan 24B. LV Configuration: Titan 24B 24B-27 (3B-63).
  • OPS 2925 - . Payload: KH-8 no. 53 / Agena D. Mass: 3,000 kg (6,600 lb). Nation: USA. Agency: NRO; USAF. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-8. Decay Date: 1983-08-21 . USAF Sat Cat: 14001 . COSPAR: 1983-032A. Apogee: 305 km (189 mi). Perigee: 131 km (81 mi). Inclination: 96.5000 deg. Period: 88.90 min. Summary: KH-8 type satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

1984 April 15 - . 08:12 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U2.
  • Progress 20 - . Payload: Progress s/n 121. Mass: 7,200 kg (15,800 lb). Nation: USSR. Agency: MOM. Program: Salyut 7. Class: Manned. Type: Manned logistics spacecraft. Flight: Salyut 7 EO-3. Spacecraft: Progress. Duration: 21.68 days. Completed Operations Date: 1984-05-07 00:32:58 . Decay Date: 1984-05-07 00:32:58 . USAF Sat Cat: 14932 . COSPAR: 1984-038A. Apogee: 260 km (160 mi). Perigee: 186 km (115 mi). Inclination: 51.6000 deg. Period: 89.00 min. Transport of various cargoes to the Salyut-7 orbital station. First launch of Progress by Soyuz-U2 launch vehicle. Docked with Salyut 7 on 17 Apr 1984 09:22:00 GMT. Undocked on 6 May 1984 17:46:00 GMT. Destroyed in reentry on 7 May 1984 00:32:51 GMT. Total free-flight time 2.33 days. Total docked time 19.35 days.

1986 April 15 - .
1986 April 15 - . 11:40 GMT - . Launch Site: Plesetsk. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1740 - . Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Class: Earth. Type: Earth resources satellite. Spacecraft: Zenit-8. Duration: 13.00 days. Decay Date: 1986-04-28 . USAF Sat Cat: 16679 . COSPAR: 1986-029A. Apogee: 362 km (224 mi). Perigee: 193 km (119 mi). Inclination: 72.9000 deg. Period: 90.10 min. Summary: Military cartographic satellite; returned film capsule..

1987 April 15 - . 14:28 GMT - . Launch Site: Kapustin Yar. Launch Complex: Kapustin Yar V-2. LV Family: M-100. Launch Vehicle: M-100B.
  • - . Nation: USSR. Apogee: 81 km (50 mi).

1988 April 15 - . Launch Site: Baikonur. Launch Complex: Baikonur Jubilee.
  • Buran Analog BST-02 flight 25 - . Crew: Stankiavicius; Volk. Nation: USSR. Related Persons: Stankiavicius; Volk. Program: Buran. Class: Manned. Type: Manned spaceplane. Spacecraft: Buran Analogue. Summary: Time 19 minutes. Final Buran Analog flight test. At the same time development of the auto-land system aboard the Tu-154 test bed is completed as well..

1988 April 15 - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. LV Family: Trident. Launch Vehicle: Trident C-4.
  • Follow-on operational missile test - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1988 April 15 - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. LV Family: Trident. Launch Vehicle: Trident C-4.
  • Follow-on operational missile test - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1988 April 15 - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. LV Family: Trident. Launch Vehicle: Trident C-4.
  • Follow-on operational missile test - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1988 April 15 - . 04:11 GMT - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. LV Family: Trident. Launch Vehicle: Trident C-4.
  • Follow-on operational missile test - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1991 April 15 - . 22:10 GMT - . Launch Site: ETR Launch Area. Launch Platform: SSBN 736. LV Family: Trident. Launch Vehicle: Trident D-5.
  • DASO-6 demonstration and shakedown operations launch - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1992 April 15 - . 07:17 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC132/1. LV Family: Kosmos 3. Launch Vehicle: Kosmos 11K65M. LV Configuration: Kosmos 11K65M 47178-419.
  • Cosmos 2184 - . Mass: 825 kg (1,818 lb). Nation: Russia. Agency: MO. Class: Navigation. Type: Navigation satellite. Spacecraft: Parus. USAF Sat Cat: 21937 . COSPAR: 1992-020A. Apogee: 1,014 km (630 mi). Perigee: 965 km (599 mi). Inclination: 82.9000 deg. Period: 104.90 min. Summary: Military navigation satellite. Positioned in plane 2 of constellation..

1992 April 15 - . 09:09 GMT - . Launch Site: Wallops Island. LV Family: Super Chief. Launch Vehicle: HPB. LV Configuration: HPB Firebird 1B.
  • Target / decoys mission - . Nation: USA. Agency: OSC. Apogee: 450 km (270 mi).

1992 April 15 - . 23:25 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 44L. LV Configuration: Ariane 44L+ V50.
  • Telecom 2B - . Mass: 2,200 kg (4,800 lb). Nation: France. Agency: France Telecom. Manufacturer: Toulouse. Program: Telecom. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 2000. USAF Sat Cat: 21939 . COSPAR: 1992-021A. Apogee: 35,804 km (22,247 mi). Perigee: 35,769 km (22,225 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Stationed at 3 deg E. Positioned in geosynchronous orbit at 5 deg W in 1992-1999 As of 5 September 2001 located at 24.98 deg E drifting at 0.634 deg E per day. As of 2007 Mar 9 located at 77.10W drifting at 2.683W degrees per day..
  • Inmarsat 2 F4 - . Mass: 1,385 kg (3,053 lb). Nation: International. Agency: Inmarsat. Manufacturer: Toulouse. Program: Inmarsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Eurostar 1000. USAF Sat Cat: 21940 . COSPAR: 1992-021B. Apogee: 35,796 km (22,242 mi). Perigee: 35,780 km (22,230 mi). Inclination: 2.4000 deg. Period: 1,436.20 min. Stationed at 55 deg W. Positioned in geosynchronous orbit at 54 deg W in 1992-1997; 17 deg W in 1997-1999; DRIFT As of 4 September 2001 located at 109.00 deg E drifting at 0.022 deg W per day. As of 2007 Mar 10 located at 108.99E drifting at 0.020W degrees per day.

1993 April 15 - .
1995 April 15 - . 10:07 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC36. LV Family: Black Brant. Launch Vehicle: Black Brant 9. LV Configuration: Black Brant IX NASA 36.137CL.
  • EUVS Spica Occulation Ultraviolet astronomy mission - . Nation: USA. Agency: NASA. Apogee: 260 km (160 mi).

1996 April 15 - .
  • Mir News 297: Mir - . Nation: Russia. Program: Mir. Flight: Mir NASA-1; Mir EO-21. Plans for the near future:

    The first operation will be the launch of the module Priroda. The Russians want to launch this module on 23.04.1996, but further delay might be possible. In fact all is ready for that launch, but specialists responsible for the power supply of that module want to be sure that the accumulators are fully reliable if unexpected the Priroda has to fly longer than the estimated period between launch and docking. The Priroda has not been equipped with solar panels and if the accumulators show failures there are no alternatives. That is why the experts responsible for the power systems and energy consumption take more time for tests. The dates for some important operations can be set only after the launch and successful docking of Priroda and the redocking thereafter. Priroda has to dock to the forward axial port (-X axis) and will be repositioned from there to the radial port (+Z axis). After this the date for the launch of the freighter Progress-M31 can be determined.

    2d Spacewalk (EVA) 21st Main Expedition Mir: Possibly this operation will be executed in May this year. The cosmonauts will have to transfer one of the solar panels which have been brought to Mir by Atlantis (STS-74) and who are still attached at the outer surface of the Docking Compartment (SO - so not Docking Module. SO stands for 'Stykovochnyy Otsek'). They will have to transfer that solar panel to the astrophysical module Kvant-1 (Module-E). During this operation they will use the 2d Strela, which they installed during their first EVA. With this 2d Strela-crane they have the possibility for movements between the SO and the Kvant-1. Originally the Russians planned to install on Kvant-1 the solar panel which is still at the outer surface of the Kristall-module, but they preferred the installation on Kvant-1 of a brand new one. The Russians hope to accomplish this task during that 2nd EVA, but they are ready to insert a 3rd EVA if necessary. The solar panels which have been brought to Mir on the outer surface of the SO will not be deployed from there, but will be used on parts of the Mir-complex.

    VDU: This abbreviation stands for External Engine Installation. This is the box, which can be seen in the top of the long Sofora mast which has been erected on Kvant-1. Nobody was sure about the use or the usefulness of that engine. In an interview Thomas Reiter told me that this VDU often is used for the orientation of the complex during periods in which the gyrodynes have to be silenced for repositioning. These gyrodynes cannot turn through 360 degrees and so now and then repositioning is necessary. There is a problem for the future: when the fuel of the VDU has been spent refuelling will not be possible. Perhaps the Russians hoped that fuel would be sufficient for the VDU at least until the end of the operational life of Mir in 1997 or 1998. So if they want to prolong the use of Mir by some years they will have to find a way to refuel that VDU or to install a new one.

    Chris v.d. Berg, NL-9165/A-UK3202.


1998 April 15 - . Launch Site: Baikonur. LV Family: R-36M. Launch Vehicle: R-36M2 15A18M.
  • Dnepr Demo test - . Nation: Russia. Agency: RVSN. Apogee: 1,000 km (600 mi).

1999 April 15 - . 00:46 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U. LV Configuration: Soyuz 11A511U/Ikar S15000-060 ST03.
  • Globalstar M019 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25676 . COSPAR: 1999-019A. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min. The Ikar upper stage entered a 234 km x 900 km transfer orbit, then maneuvered to dispense the four spacecraft into 900 km x 950 km x 52.0 deg parking orbits. The satellite's own thrusters would be used to place them into their 1410 km circular operational orbits. The Ikar stage deorbited itself after one day. The Globalstar satellites, built by Alenia and Loral, are L-band comsats which provide satellite phone service.
  • Globalstar M045 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25679 . COSPAR: 1999-019D. Apogee: 1,586 km (985 mi). Perigee: 1,581 km (982 mi). Inclination: 52.0000 deg. Period: 117.80 min.
  • Globalstar M044 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25678 . COSPAR: 1999-019C. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min.
  • Globalstar M042 - . Mass: 222 kg (489 lb). Nation: USA. Agency: Globalstar. Class: Communications. Type: Civilian communications satellite. Spacecraft: Globalstar. USAF Sat Cat: 25677 . COSPAR: 1999-019B. Apogee: 1,414 km (878 mi). Perigee: 1,413 km (877 mi). Inclination: 52.0000 deg. Period: 114.10 min.

1999 April 15 - . 18:32 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Delta. Launch Vehicle: Delta 7920-X. LV Configuration: Delta 7920-10 D268.
  • Landsat 7 - . Mass: 1,969 kg (4,340 lb). Nation: USA. Agency: NASA Greenbelt. Manufacturer: Valley Forge. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft: Landsat 7. USAF Sat Cat: 25682 . COSPAR: 1999-020A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.2000 deg. Period: 98.80 min. The vehicle entered a 175 km x 706 km x 98.2 deg initial orbit. 57 minutes after launch the Delta stage burned again to circularize the orbit at 668 km x 698 km and Landsat 7 separated from the stage. The Delta stage then burned to depletion of its propellant, into a 184 km x 710 km x 107.5 deg orbit that would decay quickly. The Landsat 7 remote sensing satellite was to be operated by NASA/Goddard until October 2000, when operations would be transferred to the US Geological Survey.

2002 April 15 - .
2003 April 15 - . Launch Site: Mojave. Launch Vehicle: Tier One.
  • White Knight Flight 20 - . Nation: USA. Related Persons: Binnie; Melvill. Program: X-Prize. Spacecraft: SpaceShipOne. Summary: Flight Time: 0.7 hours Pilot: Melvill Copilot: Binnie. Objectives: Repeat airshow maneuver practice Results: Minor tweaks to refine the airshow demonstration maneuvers..

2003 April 15 - . Launch Site: Mojave. Launch Vehicle: Tier One.
  • White Knight Flight 19 - . Nation: USA. Related Persons: Binnie; Melvill. Program: X-Prize. Spacecraft: SpaceShipOne. Summary: Flight Time: 1.2 hours Pilot: Melvill Copilot: Binnie. Objectives: Airshow maneuver practice. First flight with Spaceship launch system installed. Results: Satisfactory airshow results for various wind conditions. Launch system satisfactory..

2004 April 15 - .
  • STS-122 (cancelled) - . Nation: USA. Agency: NASA. Program: ISS. Flight: STS-122A. Spacecraft: Columbia; HST. Summary: Flight delayed after the Columbia disaster. Columbia would have flown Hubble Space Telescope Servicing Mission 4. No crew had been named at the time of the loss of Columbia..

2005 April 15 - . 00:45 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz FG. LV Configuration: Soyuz-FG Zh15000-014 / ISS-10S.
  • Soyuz TMA-6 - . Call Sign: Basalt. Crew: Krikalyov; Phillips; Vittori. Return Crew: Krikalyov; Phillips; Olsen. Payload: Soyuz TMA s/n 216. Mass: 7,250 kg (15,980 lb). Nation: Russia. Related Persons: Vittori; Krikalyov; Phillips; Olsen. Agency: RKA. Program: ISS. Class: Manned. Type: Manned spacecraft. Flight: ISS EO-11; ISS EP-8; ISS EO-10. Spacecraft: Soyuz TMA. Duration: 179.02 days. Decay Date: 2005-10-11 . USAF Sat Cat: 28640 . COSPAR: 2005-013A. Apogee: 360 km (220 mi). Perigee: 350 km (210 mi). Inclination: 51.6000 deg. Period: 91.60 min. The Soyuz TMA-6 docked with International Space Station's Pirs module at 02:20 GMT on April 17. Commander of the long-duration EO-11 crew was Russian cosmonaut Sergey Krikalyov. Flight engineer and science officer was American astronaut John Phillips. Italian Roberto Vittori accompanied the EO-10 crew aboard Soyuz TMA-6 to the station on the European Space Agency EP-8 Eneide mission.

2005 April 15 - . 17:26 GMT - . Launch Site: Point Arguello WADZ. Launch Pad: 36.0 N x 123.0 W. LV Family: Pegasus. Launch Vehicle: Pegasus XL/HAPS. LV Configuration: Pegasus XL/HAPS F36.
  • DART - . Mass: 360 kg (790 lb). Nation: USA. Agency: NASA. Manufacturer: OSC. Class: Technology. Type: Rendezvous technology satellite. Spacecraft: DART. USAF Sat Cat: 28642 . COSPAR: 2005-014A. Apogee: 747 km (464 mi). Perigee: 395 km (245 mi). Inclination: 96.6000 deg. Period: 96.10 min. Delayed from April 15; October 18, 19, 26, 28; Nov. 4, 9 and 11; 2004, and March 2, 2005. Autonomous Rendezvous Technology mission, planned to guide itself to within a few metres of a US satellite. On April 16, DART closed within 100 m of the MUBLCOM satellite, then evidently began a series of out-of-control maneuvers resulting in an in-space collission and MUBLCOM being bumped into a 3 to 5 km higher orbit. Remarkably both satellites continued to function. DART then detected that it was running unexpectedly low on nitrogen cold gas used for orientation. Its autonomous software aborted further rendezvous operations and the DART was deorbited shortly thereafter.

2006 April 15 - . 01:40 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC8. LV Family: Minotaur. Launch Vehicle: Minotaur 1. LV Configuration: Minotaur 1 5.
  • Formosat 3A FM6 - . Mass: 70 kg (154 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: OSC. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroStar. USAF Sat Cat: 29047 . COSPAR: 2006-011A. Apogee: 538 km (334 mi). Perigee: 496 km (308 mi). Inclination: 72.0000 deg. Period: 95.00 min. FORMOSAT-3 consisted of six small 62 kg Orbcomm-type satellites with GPS receivers which were to measure atmospheric conditions by studying the effect of the atmosphere on GPS satellite signals passing through it. The satellites, also known as COSMIC (Constellation Observing System for Meteorology, Ionosphere and Climate), each raised their orbits over several months, all but one reaching operational orbits of around 770 x 840 km by September 2007.
  • Formosat 3B FM1 - . Mass: 70 kg (154 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: OSC. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroStar. USAF Sat Cat: 29048 . COSPAR: 2006-011B. Apogee: 541 km (336 mi). Perigee: 500 km (310 mi). Inclination: 72.0000 deg. Period: 95.00 min.
  • Formosat 3C FM5 - . Mass: 70 kg (154 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: OSC. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroStar. USAF Sat Cat: 29049 . COSPAR: 2006-011C. Apogee: 681 km (423 mi). Perigee: 567 km (352 mi). Inclination: 72.0000 deg. Period: 97.20 min.
  • Formosat 3D FM3 - . Mass: 70 kg (154 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: OSC. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroStar. USAF Sat Cat: 29050 . COSPAR: 2006-011D. Apogee: 538 km (334 mi). Perigee: 496 km (308 mi). Inclination: 72.0000 deg. Period: 95.00 min. Summary: Became stuck in intermediate 675 x 750 km due to solar panel failure..
  • Formosat 3E FM4 - . Mass: 70 kg (154 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: OSC. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroStar. USAF Sat Cat: 29051 . COSPAR: 2006-011E. Apogee: 538 km (334 mi). Perigee: 496 km (308 mi). Inclination: 72.0000 deg. Period: 95.00 min.
  • Formosat 3F FM2 - . Mass: 70 kg (154 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: OSC. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroStar. USAF Sat Cat: 29052 . COSPAR: 2006-011F. Apogee: 542 km (336 mi). Perigee: 497 km (308 mi). Inclination: 72.0000 deg. Period: 95.00 min.

2008 April 15 - .
  • ISS On-Orbit Status 04/15/08 - . Nation: USA. Related Persons: Kononenko, O D; Kotov; Love; Malenchenko; Reisman; Volkov, Sergey; Whitson; Yi So-yeon. Program: ISS. Flight: ISS EO-15; ISS EO-16; ISS EO-16-3; ISS EO-17; ISS EP-14; STS-122. Day 6 of joint E16/E17 operations by CDR-16 Peggy Whitson, FE-1-16 Yuri Malenchenko, FE-2-17 Garrett Reisman, CDR-17 Sergei Volkov, FE-1-17 Oleg Kononenko and SFP/VC14 So-Yeon Yi.

    Day 188 in space for Peggy & Yuri.

    The crew's work/sleep cycle again was adjusted slightly, from yesterday's wakeup at 2:15am to 2:20am EDT (sleeptime tonight at 5:50pm). Tomorrow, work period will again be adjusted by 5 min (to 2:15am -5:45pm).

    Aboard ISS, crew rotation/handover activities continued for all six residents involved. Whitson, Volkov, Malenchenko and Kononenko had several hours scheduled between them for dedicated ('functional') CDR/CDR & FE/FE handover activities; in addition, there are 'generic' handovers where crewmembers are scheduled together to complete various designated standard tasks. Additional Details: ISS On-Orbit Status 04/15/08.


2010 April 15 - . 10:57 GMT - . Launch Site: Sriharikota. Launch Vehicle: GSLV. LV Configuration: GSLV Mk II. FAILURE: Third stage failure..
  • GSAT-2 - . Nation: India. Agency: ISRO. Class: Communications. Type: Communications satellite. Spacecraft: Gsat. Summary: Failed to orbit due to third stage failure. Ka-band communications satellite with a GPS-augmentation navigation transmitter..

2011 April 15 - . 04:24 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC3E. LV Family: Atlas V. Launch Vehicle: Atlas V 411.
  • USA 229 - . Payload: NROL-34. Nation: USA. Class: Military. Type: Electronic intelligence satellite. Spacecraft: NOSS-3. USAF Sat Cat: 37386 . COSPAR: 2011-014A. Summary: Probable naval ocean surveillance satellite cluster; normally operate in 1100 km circular orbits with 63 deg inclination and carry equipment to track ships and aircraft via their radio transmissions..
  • USA 229 P/L 2 - . Payload: NROL-34. Nation: USA. Class: Military. Type: Electronic intelligence satellite. Spacecraft: NOSS-3. COSPAR: 2011-014B. Summary: Probable naval ocean surveillance satellite cluster; normally operate in 1100 km circular orbits with 63 deg inclination and carry equipment to track ships and aircraft via their radio transmissions..

2011 April 15 - . 06:52 GMT - . Launch Site: Meck Island. Launch Vehicle: LV-2.
  • FTM-15 Target - . Nation: USA. Apogee: 1,000 km (600 mi).
  • FTM-15 KV - . Nation: USA. Apogee: 150 km (90 mi). Summary: Interceptor..

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