Encyclopedia Astronautica
May 21


May 21 Chronology


1901 May 21 - .
  • Birth of Sergei Konstantinovich Tumanskiy - . Nation: Russia. Summary: Russian chief designer. Chief Designer and General Designer 1955-1973 of OKB-300. Specialised in aircraft turbine engines but also produced spacecraft attitude control engines..

1923 May 21 - .
1941 May 21 - .
  • Birth of Anatoli Semyonovich Levchenko - . Nation: Ukraine. Summary: Ukrainian test pilot cosmonaut. Flew on Mir LII-1. Graduated from Chernigov Higher Air Force School, 1964. Buran test pilot; cosmonaut training December 1978 - July 1980. Later a civil test pilot for the Soviet Air Force Ministry..

1942 May 21 - .
  • Birth of Robert Clyde 'Bob' Springer - . Nation: USA. Summary: American test pilot mission specialist astronaut. Flew on STS-29, STS-38. US Marine Corps.

1944 May 21 - . Launch Site: Heidelager. LV Family: V-2. Launch Vehicle: V-2. LV Configuration: V-2 17748.
  • V-2 B09 G1 - . Nation: Germany. Summary: Impact 2.3 km to the right of the planned trajectory..

1947 May 21 - .
  • XS-1 Flight 34 - . Crew: Goodlin. Payload: XS-1 # 1 flight 18. Nation: USA. Related Persons: Goodlin. Class: Manned. Type: Manned rocketplane. Spacecraft: XS-1. Summary: Bell flight 18. Buffet-boundary investigation. At Muroc Dry Lake, California..

1948 May 21 - .
  • XS-1 Flight 91 - . Crew: Lundquist. Payload: XS-1 # 1 flight 54. Nation: USA. Related Persons: Lundquist. Class: Manned. Type: Manned rocketplane. Spacecraft: XS-1. Summary: AF flight 32. Stability and control and buffeting investigation. Mach 0.92..

1952 May 21 - . Launch Site: Hammaguira. Launch Complex: Hammaguira Bechar. LV Family: Veronique. Launch Vehicle: Veronique. LV Configuration: Veronique N2. FAILURE: Failure.
  • Test mission - . Nation: France. Agency: LRBA. Apogee: 14 km (8 mi).

1953 May 21 - . 15:47 GMT - . Launch Site: Holloman. Launch Complex: Holloman A. LV Family: Aerobee. Launch Vehicle: Aerobee RTV-A-1a. LV Configuration: Aerobee RTV-A-1a USAF 37.
  • AF Airglow 4 Aeronomy mission - . Nation: USA. Agency: USAF AFSC. Apogee: 114 km (70 mi). Summary: Sky brightness, day airglow research. Launched at 0847 local time. Reached 114.3 km..

1954 May 21 - . 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 120.
  • Operational test - . Nation: USSR. Agency: Korolev. Apogee: 100 km (60 mi).

1955 May 21 - . Launch Site: Kapustin Yar. LV Family: R-11. Launch Vehicle: R-11FM.
  • Test mission - . Nation: USSR. Agency: Korolev. Apogee: 150 km (90 mi).

1956 May 21 - .
  • First aerial H-bomb tested over Namu islet, Bikini Atoll - 10 million tons TNT equivalent - . Nation: USA.

1958 May 21 - . 11:31 GMT - . Launch Site: Holloman. LV Family: Cajun. Launch Vehicle: Nike Cajun.
  • Release 3 Cs / Na Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 128 km (79 mi).

1959 May 21 - .
  • Specifications for Tracking and Ground Instrumentation System for Project Mercury - . Nation: USA. Program: Mercury. Summary: Langley Specification Number S-45, entitled 'Specifications for Tracking and Ground Instrumentation System for Project Mercury,' was issued. Proposals were received from seven contractor teams by June 22, 1959, and technical evaluations were started..

1959 May 21 - . 06:40 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Delta. Launch Vehicle: Thor Able II. LV Configuration: Thor Able II 135.
  • RVX-1 Re-entry Vehicle test - . Nation: USA. Agency: USAF. Apogee: 520 km (320 mi).

1962 May 21 - . LV Family: Titan. Launch Vehicle: Titan 2.
  • Amendment No. 6 to the Gemini launch vehicle procurement contract assigned $2.609 million to fund the construction necessary to convert pad 19 at Cape Canaveral for Gemini flights. - . Nation: USA. The Air Force had originally constructed pad 19 for the Titan I development program. Following the final Titan I development flight (January 29) from the Cape, design of the required modifications had begun in February. In April, Gemini Project Office decided that Pad 19 would have an erector rather than a gantry, the upper third of which would be designed as a white room. The final design review of pad 19 modifications took place July 9-10, and the Army Corps of Engineers awarded the construction contract to Consolidated Steel, Cocoa Beach, Florida. Construction began in September. Work was completed and pad 19 was activated on October 17, 1963.

1963 May 21 - .
1963 May 21 - . Launch Site: Reggane. LV Family: Belier. Launch Vehicle: Centaure. LV Configuration: Centaure C45.
  • Aeronomy mission - . Nation: France. Agency: CNES. Apogee: 150 km (90 mi).

1963 May 21 - . Launch Site: Ile du Levant. Launch Pad: CERES. LV Family: Belier. Launch Vehicle: Centaure. LV Configuration: Centaure C48.
  • Aeronomy mission - . Nation: France. Agency: CNES. Apogee: 150 km (90 mi).

1963 May 21 - . Launch Site: Salto di Quirra. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.138IA.
  • Sodium release Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 200 km (120 mi).

1963 May 21 - . Launch Site: Salto di Quirra. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.139IA.
  • Sodium release Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 200 km (120 mi).

1963 May 21 - . 05:30 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC35. LV Family: Aerobee. Launch Vehicle: Aerobee 150. LV Configuration: Aerobee 150 NB3.119.
  • Far ultraviolet Telescope Far ultraviolet astronomy mission - . Nation: USA. Agency: NRL. Apogee: 192 km (119 mi).

1963 May 21 - . 18:25 GMT - . Launch Site: Hammaguira. Launch Complex: Hammaguira Bacchus. Launch Pad: Bacchus?. LV Family: Belier. Launch Vehicle: Centaure. LV Configuration: Centaure C43.
  • MPE Ba-4 Aeronomy mission - . Nation: France. Agency: CNES. Apogee: 125 km (77 mi).

1964 May 21 - . Launch Site: Barking Sands. LV Family: Tomahawk Sandia. Launch Vehicle: Nike Tomahawk. LV Configuration: Nike Tomahawk-9 Sandia 152-10.
  • Density Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 329 km (204 mi).

1964 May 21 - . 17:39 GMT - . Launch Site: Silver Lake DZ. Launch Pad: 35.3 N x 116.1 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 3-29-48. FAILURE: Emergency landing at Cuddleback Lake..
  • X-15A SUV/BLN test - . Nation: USA. Agency: NASA; USAF. Apogee: 19 km (11 mi). Summary: Premature engine shutdown at 41 sec. Maximum Speed - 3001 kph. Maximum Altitude - 19568 m..

1965 May 21 - .
  • Preliminary flight rating tests on the Apollo reaction control engine - . Nation: USA. Program: Apollo. Spacecraft: Apollo CSM; CSM RCS. Summary: Marquardt Corporation completed preliminary flight rating tests on the reaction control engine for the SM..

1965 May 21 - . Launch Site: Hammaguira. Launch Complex: Hammaguira Bacchus. LV Family: VE. Launch Vehicle: Topaze VE111L. LV Configuration: Topaze VE111L LG2.
  • Test mission - . Nation: France. Agency: ONERA. Apogee: 100 km (60 mi).

1965 May 21 - . 23:53 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg 395-B. LV Family: Titan. Launch Vehicle: Titan 2. LV Configuration: Titan II B-51.
  • Front Sight operational test - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi).

1966 May 21 - .
  • Voskhod 3 shifted to July - . Nation: USSR. Related Persons: Volynov; Shonin; Beregovoi; Shatalov. Program: Voskhod. Flight: Voskhod 3. Spacecraft: Voskhod. Summary: Based on the further delay, it is decided to send the crews and their families to the sanatorium Chemitokvadzhe. Kamanin takes a month's vacation to nurse him wife after her release from the hospital..

1966 May 21 - . Launch Site: Baikonur. Launch Complex: Baikonur LC41/3. LV Family: R-16. Launch Vehicle: R-16U. FAILURE: Failure.
  • PBG - . Nation: USSR. Agency: RVSN. Apogee: 0 km ( mi).

1967 May 21 - . 07:00 GMT - . Launch Site: Barking Sands. LV Family: Cajun. Launch Vehicle: Nike Cajun.
  • Sandia 154-100 Aeronomy mission - . Nation: USA. Agency: Sandia. Apogee: 100 km (60 mi).

1968 May 21 - .
  • L1/Soyuz program review. - . Nation: USSR. Related Persons: Mishin; Keldysh. Program: Lunar L1; Soyuz. Spacecraft: Soyuz 7K-OK; Soyuz 7K-L1. Summary: The next L1 launch is set for 17 July. Mishin wants an L1 crew ready for an around-the-moon flight by June. He also wants to fly a 2+2 Soyuz mission in August. Keldysh insists that the Soyuz be proven in another unmanned flight first..

1968 May 21 - . Launch Site: Baikonur. Launch Complex: Baikonur LC162/36. LV Family: Tsiklon. Launch Vehicle: R-36-O. LV Configuration: R-36O 8K69 Ya22500 No. 18L.
  • OGCh - . Mass: 1,700 kg (3,700 lb). Nation: USSR. Agency: RVSN. Class: Military. Type: Orbital bombing system. Spacecraft: OGCh. COSPAR: 1968-U01xx. Summary: Probable suborbital test of Fractional Orbital Bombardment System..

1968 May 21 - . 14:00 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 10.0 N x 20.0 W. Launch Platform: VISE. LV Family: MR-12. Launch Vehicle: MR-12.
  • Aeronomy/Ionosphere mission - . Nation: USSR. Agency: AN. Apogee: 174 km (108 mi).

1968 May 21 - . 20:09 GMT - . Launch Site: Atlantic Ocean. Launch Pad: 10.0 N x 20.0 W. Launch Platform: VISE. LV Family: MR-12. Launch Vehicle: MR-12.
  • Aeronomy mission - . Nation: USSR. Agency: AN. Apogee: 167 km (103 mi).

1969 May 21 - .
  • Apollo 10 lunar orbit insertion - . Nation: USA. Flight: Apollo 10. At 4:49 p.m. EDT on May 21 the spacecraft was inserted into a lunar orbit of 110.4 by 315.5 kilometers. After two revolutions of tracking and ground updates, a maneuver circularized the orbit at 109.1 by 113.9 kilometers. Astronaut Cernan then entered the LM, checked all systems, and returned to the CM for the scheduled sleep period. Additional Details: Apollo 10 lunar orbit insertion.

1970 May 21 - .
  • Dysentery in the Tyuratam garrison threatens cosmonauts. - . Nation: USSR. Related Persons: Nikolayev; Sevastyanov. Program: Soyuz. Flight: Soyuz 9. The Soyuz 9 crew trains with the bungee arrangements they'll have to exercise with twice a day while in space. They will have to work constantly in order to fight off the effects of sustained zero-gravity. Dysentery has broken out in the Tyuratam garrison. The cosmonauts are given prophylactic measures so that they won't get the bug. A Zenit spy satellite is launched from Area 2. There is some damage to the pad that will require repair, but nothing substantial. The OK is given for Soyuz 9 to launch from the pad. That evening the movie is West German - 'What does a woman do, when her husband disappears?'. At 23:00 the Soyuz 9 crew views the night sky, spotting constellations and guide stars.

1970 May 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF25. LV Family: Minuteman. Launch Vehicle: Minuteman 2. LV Configuration: Minuteman 2 2486.
  • OT GT55F operational test launch - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi).

1970 May 21 - . 02:07 GMT - . Launch Site: Eglin. LV Family: Nike. Launch Vehicle: Nike Iroquois. LV Configuration: Nike Iroquois CRL A07.901-4.
  • Release Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 130 km (80 mi).

1970 May 21 - . 10:35 GMT - . Launch Site: Eglin. LV Family: Nike. Launch Vehicle: Nike Iroquois. LV Configuration: Nike Iroquois CRL A07.901-3.
  • Release Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 153 km (95 mi).

1970 May 21 - . 11:06 GMT - . Launch Site: Eglin. LV Family: Nike. Launch Vehicle: Nike Iroquois. LV Configuration: Nike Iroquois CRL A07.901-1.
  • Release Aeronomy mission - . Nation: USA. Agency: USAF. Apogee: 163 km (101 mi).

1971 May 21 - .
  • Soyuz 11 crews arrive at Tyuratam. - . Nation: USSR. Program: Salyut. Flight: Soyuz 11; Soyuz 12 / DOS 1. Spacecraft: Soyuz 7KT-OK; Salyut 1. The Salyut crews arrive at Tyuratam and see the new reinforced docking system for the first time. Then they go to Area 2 to prepare their flight plans. Aferwards they train from 20:00 to 24:00 aboard Soyuz 11. But due to the parallel work on revising the Igla system, the systems are not all updated yet. The cosmonauts have no confidence in the new system, and can only say they 'probably' have a better chance of success in docking than before.

1971 May 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF05. LV Family: Minuteman. Launch Vehicle: Minuteman 2.
  • OT GT83M operational test launch - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi).

1971 May 21 - . 01:15 GMT - . Launch Site: Eglin. LV Family: Nike. Launch Vehicle: Nike Iroquois. LV Configuration: Nike Iroquois CRL A07.917-4.
  • Release Aeronomy mission - . Nation: USA. Agency: AFCRL. Apogee: 145 km (90 mi).

1973 May 21 - . Launch Site: Kourou. Launch Complex: Kourou Diamant. LV Family: Diamant. Launch Vehicle: Diamant B. LV Configuration: Diamant B No. 5. FAILURE: Failure - fairing did not jettison.. Failed Stage: S.
  • Castor (D 5A) - . Payload: D 5A. Nation: France. Agency: CNES. Class: Technology. Type: Navigation technology satellite. Spacecraft: D. Decay Date: 1972-05-21 . COSPAR: F730521A.
  • Pollux - . Payload: D-5A. Nation: France. Agency: CNES. Spacecraft: D. COSPAR: F730521B.

1974 May 21 - . 06:16 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC132/2. LV Family: Kosmos 3. Launch Vehicle: Kosmos 11K65M. LV Configuration: Kosmos 11K65M 53719-152.
  • Cosmos 655 - . Mass: 875 kg (1,929 lb). Nation: USSR. Agency: MO. Program: Tselina. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Tselina-O. Decay Date: 1980-11-19 . USAF Sat Cat: 7306 . COSPAR: 1974-035A. Apogee: 542 km (336 mi). Perigee: 523 km (324 mi). Inclination: 74.1000 deg. Period: 95.30 min. Summary: Replaced Cosmos 536. Possible ELINT satellite..

1975 May 21 - . 06:59 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. Launch Pad: LC1 or LC31. LV Family: R-7. Launch Vehicle: Voskhod 11A57.
  • Cosmos 731 - . Mass: 6,000 kg (13,200 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-2M. Duration: 12.00 days. Decay Date: 1975-06-02 . USAF Sat Cat: 7810 . COSPAR: 1975-041A. Apogee: 296 km (183 mi). Perigee: 203 km (126 mi). Inclination: 65.0000 deg. Period: 89.50 min. Summary: Area survey photo reconnaissance satellite; returned film capsule; separated science capsule..
  • Nauka Cosmos 731 - . Payload: Nauka. Nation: USSR. Agency: MOM. Spacecraft: Nauka. Decay Date: 1975-06-19 . USAF Sat Cat: 7885 . COSPAR: 1975-041H. Apogee: 286 km (177 mi). Perigee: 199 km (123 mi). Inclination: 64.9000 deg. Period: 89.35 min.

1976 May 21 - . 07:00 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC43/3. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 820 - . Payload: Zenit-4MKT no. 2. Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Program: Resurs. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-4MKT. Duration: 12.00 days. Decay Date: 1976-06-02 . USAF Sat Cat: 8856 . COSPAR: 1976-046A. Apogee: 217 km (134 mi). Perigee: 209 km (129 mi). Inclination: 81.4000 deg. Period: 88.80 min. Summary: Investigation of the natural resources of the earth in the interests of various branches of the national economy of the USSR and international cooperation..

1977 May 21 - . 22:00 GMT - . Launch Site: Sea-launched. Launch Pad: UNKO. Launch Platform: SHOK. LV Family: M-100. Launch Vehicle: M-100.
  • - . Nation: USSR. Apogee: 80 km (49 mi).

1978 May 21 - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. Launch Vehicle: Poseidon.
  • OT-35 Operational test - . Nation: USA. Agency: USN. Apogee: 500 km (310 mi).

1978 May 21 - . 12:22 GMT - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. Launch Vehicle: Poseidon.
  • OT-35 Operational test - . Nation: USA. Agency: USN. Apogee: 500 km (310 mi).

1978 May 21 - . 12:23 GMT - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. Launch Vehicle: Poseidon.
  • OT-35 Operational test - . Nation: USA. Agency: USN. Apogee: 500 km (310 mi).

1978 May 21 - . 12:55 GMT - . Launch Site: ETR Launch Area. Launch Platform: SSBN 658. Launch Vehicle: Poseidon.
  • OT-35 Operational test - . Nation: USA. Agency: USN. Apogee: 500 km (310 mi).

1979 May 21 - . Launch Site: Baikonur. Launch Complex: Baikonur LC170. LV Family: MR-UR-100. Launch Vehicle: MR-UR-100U 15A16.
  • Joint flight trials launch - . Nation: USSR. Agency: RVSN. Apogee: 1,000 km (600 mi).

1979 May 21 - . 05:00 GMT - . Launch Site: White Sands. LV Family: Astrobee. Launch Vehicle: Astrobee F. LV Configuration: Astrobee F NASA 25.43GG.
  • UIT Prototype Astronomy mission - . Nation: USA. Agency: NASA. Apogee: 226 km (140 mi).

1979 May 21 - . 06:40 GMT - . Launch Site: White Sands. LV Family: Astrobee. Launch Vehicle: Astrobee F. LV Configuration: Astrobee F NASA 25.44GG.
  • Astronomy mission - . Nation: USA. Agency: NASA. Apogee: 240 km (140 mi).

1980 May 21 - . 02:00 GMT - . Launch Site: Jiuquan. Launch Complex: Jiuquan LA2B. Launch Pad: LA2B?. LV Family: CZ. Launch Vehicle: DF-5.
  • Test mission - . Nation: China. Agency: PRC. Apogee: 1,000 km (600 mi).

1980 May 21 - . 12:08 GMT - . Launch Site: White Sands. Launch Complex: White Sands LC36. Launch Vehicle: Aries. LV Configuration: Aries GL A24.609-02.
  • TEM-2 ABM infrared / ultraviolet sensor technology mission - . Nation: USA. Agency: USAF. Apogee: 232 km (144 mi).

1981 May 21 - . 09:10 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. Launch Pad: LC1 or LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1272 - . 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: 1981-06-04 . USAF Sat Cat: 12466 . COSPAR: 1981-047A. Apogee: 376 km (233 mi). Perigee: 206 km (128 mi). Inclination: 70.4000 deg. Period: 90.30 min. Summary: Photo surveillance; returned film capsule..

1982 May 21 - . 12:40 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. Launch Pad: LC1 or LC31. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1368 - . Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-6U. Duration: 13.00 days. Decay Date: 1982-06-03 . USAF Sat Cat: 13208 . COSPAR: 1982-046A. Apogee: 338 km (210 mi). Perigee: 204 km (126 mi). Inclination: 70.4000 deg. Period: 89.90 min. Summary: Photo surveillance; returned film capsule; maneuverable..

1984 May 21 - . 20:20 GMT - . Launch Site: Kwajalein. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 71 km (44 mi).

1986 May 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. Launch Vehicle: Peacekeeper. LV Configuration: Peacekeeper FTM-12.
  • 10 Mk 21 warheads sent to KMR impact area. - . Nation: USA. Agency: USAF AFSC. Apogee: 1,000 km (600 mi).

1986 May 21 - . 08:21 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U2.
  • Soyuz TM-1 - . Payload: Soyuz TM 11F732 s/n 51. Mass: 7,070 kg (15,580 lb). Nation: USSR. Agency: MOM. Program: Mir. Class: Manned. Type: Manned spacecraft. Flight: Mir EO-1. Spacecraft: Soyuz TM. Duration: 8.93 days. Decay Date: 1986-05-30 . USAF Sat Cat: 16722 . COSPAR: 1986-035A. Apogee: 225 km (139 mi). Perigee: 192 km (119 mi). Inclination: 51.6000 deg. Period: 88.70 min. Test of new Soyuz vehicle. Recovered May 30, 1986 6:49 GMT. Unmanned test of Soyuz TM. Docked with Mir May 23 1987. Undocked 29 May.
    Officially: Comprehensive experimental testing of spacecraft in independent flight and jointly with the Mir orbital station.

1986 May 21 - . 16:30 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1744 / Foton 2 - . Payload: Foton s/n 2L. Mass: 6,200 kg (13,600 lb). Nation: USSR. Agency: MOM. Class: Materials. Type: Materials science satellite. Spacecraft: Foton. Duration: 13.19 days. Decay Date: 1986-06-04 . USAF Sat Cat: 16724 . COSPAR: 1986-036A. Apogee: 371 km (230 mi). Perigee: 217 km (134 mi). Inclination: 62.8000 deg. Period: 90.40 min. Summary: 216 orbits. Materials processing experiments. Continuation of research on materials science in space..

1987 May 21 - . Launch Site: Baikonur. Launch Complex: Baikonur Jubilee.
1987 May 21 - . 07:44 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC43/4. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1846 - . Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Program: Resurs. Class: Earth. Type: Earth resources satellite. Spacecraft: Resurs F1-14F40. Duration: 14.00 days. Decay Date: 1987-06-04 . USAF Sat Cat: 18004 . COSPAR: 1987-045A. Apogee: 283 km (175 mi). Perigee: 178 km (110 mi). Inclination: 82.3000 deg. Period: 89.10 min. Summary: Investigation of the natural resources of the earth in the interests of various branches of the national economy of the USSR and international cooperation. .

1988 May 21 - . 17:57 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton-K/DM-2. LV Configuration: Proton-K/DM-2 348-01.
  • Cosmos 1946 - . Payload: Glonass s/n 39L. Mass: 1,400 kg (3,000 lb). Nation: USSR. Agency: MOM. Class: Navigation. Type: Navigation satellite. Spacecraft: Glonass . USAF Sat Cat: 19163 . COSPAR: 1988-043A. Apogee: 19,149 km (11,898 mi). Perigee: 19,109 km (11,873 mi). Inclination: 65.0000 deg. Period: 675.70 min. Summary: Glonass. Testing of components and systems for a space-based navigation system being constructed to track Soviet civil aircraft and naval and fishing vessels. .
  • Cosmos 1948 - . Payload: Glonass s/n 41L. Mass: 1,400 kg (3,000 lb). Nation: USSR. Agency: MOM. Class: Navigation. Type: Navigation satellite. Spacecraft: Glonass. USAF Sat Cat: 19165 . COSPAR: 1988-043C. Apogee: 19,133 km (11,888 mi). Perigee: 19,127 km (11,884 mi). Inclination: 66.1000 deg. Period: 675.70 min. Summary: Glonass. Testing of components and systems for a space-based navigation system being constructed to track Soviet civil aircraft and naval and fishing vessels..
  • Cosmos 1947 - . Payload: Glonass s/n 40L. Mass: 1,400 kg (3,000 lb). Nation: USSR. Agency: MOM. Class: Navigation. Type: Navigation satellite. Spacecraft: Glonass. USAF Sat Cat: 19164 . COSPAR: 1988-043B. Apogee: 19,141 km (11,893 mi). Perigee: 19,117 km (11,878 mi). Inclination: 65.0000 deg. Period: 675.70 min. Summary: Glonass. Testing of components and systems for a space-based navigation system being constructed to track Soviet civil aircraft and naval and fishing vessels..

1990 May 21 - . 19:20 GMT - . Launch Site: Plesetsk. LV Family: Topol. Launch Vehicle: Topol.
  • Test mission - . Nation: USSR. Agency: RVSN. Apogee: 1,000 km (600 mi).

1991 May 21 - . 09:00 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC43/4. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Resurs F-10 - . Payload: Resurs-F2 17F42 s/n 6. Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Program: Resurs. Class: Earth. Type: Earth resources satellite. Spacecraft: Resurs F2. Duration: 30.00 days. Decay Date: 1991-06-20 . USAF Sat Cat: 21313 . COSPAR: 1991-035A. Apogee: 242 km (150 mi). Perigee: 178 km (110 mi). Inclination: 82.3000 deg. Period: 88.70 min. Also carried microgravity experiments. Investigation of the natural resources of the earth in the interests of the various branches of the national economy of the USSR, and solution of problems relating to the environment and to international cooperation.

1993 May 21 - . 09:15 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC16/2. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Resurs F-17 - . Payload: Resurs-F2 17F42 s/n 9. Mass: 6,300 kg (13,800 lb). Nation: Russia. Agency: MOM. Program: Resurs. Class: Earth. Type: Earth resources satellite. Spacecraft: Resurs F2. Duration: 30.00 days. Decay Date: 1993-06-20 . USAF Sat Cat: 22663 . COSPAR: 1993-033A. Apogee: 255 km (158 mi). Perigee: 176 km (109 mi). Inclination: 82.6000 deg. Period: 88.80 min. Summary: Investigation of the natural resources of the Earth for the various branches of the national economy, the solution of environmental problems, and international cooperation. .

1996 May 21 - . 22:50 GMT - .
1997 May 21 - . 08:27 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF04. LV Family: Minuteman. Launch Vehicle: Minuteman 3. LV Configuration: Minuteman 3 GT164GM.
  • FOT GT164GM/SHARP Re-entry Vehicle test launch - . Nation: USA. Agency: USAF AFSPC. Apogee: 1,300 km (800 mi).

2000 May 21 - .
  • STS-101 Mission Status Report #05 - . Nation: USA. Related Persons: Halsell; Voss; Weber; Williams, Jeffrey. Program: ISS. Flight: STS-101. Summary: Flying five miles a second above the Ukraine, Commander Jim Halsell gently pulled the Shuttle Atlantis into port last night, flawlessly latching his 100-ton spacecraft to the 35-ton International Space Station for a five-day stay.. Additional Details: STS-101 Mission Status Report #05.

2003 May 21 - .
2004 May 21 - .
  • International Space Station Status Report #04-26 - . Nation: USA. Related Persons: Fincke; Padalka. Program: ISS. Flight: ISS EO-9. Summary: Aboard the International Space Station, the Expedition 9 crew closed out its first month in space with a busy week of spacewalk preparations, including a spacesuit dress rehearsal.. Additional Details: International Space Station Status Report #04-26.

2005 May 21 - .
  • Cassini, Enceladus Non-Targeted Flyby, Successful - . Nation: USA. Spacecraft: Cassini.

2008 May 21 - . 09:43 GMT - . Launch Site: Kiritimati. Launch Pad: 0.0 N x 154.0 W. Launch Platform: ODYSSEY. LV Family: Zenit. Launch Vehicle: Zenit-3SL. LV Configuration: Zenit-3SL s/n SL30.
  • Galaxy 18 - . Mass: 4,642 kg (10,233 lb). Nation: USA. Agency: Intelsat. Program: Galaxy. Class: Communications. Type: Civilian communications satellite. Spacecraft: FS-1300. USAF Sat Cat: 32951 . COSPAR: 2008-024A. Apogee: 35,799 km (22,244 mi). Perigee: 35,774 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Intelsat communications satellite, located at 123 W as a replacement for Galaxy 10R. 24 C-band, and 24 Ku-band transponders serving North American customers..

2009 May 21 - . 21:53 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC43/4. LV Family: R-7. Launch Vehicle: Soyuz ST / Fregat ST. LV Configuration: Soyuz-2-1a/Fregat.
  • Meridian 2 - . Nation: Russia. Agency: KVR. Spacecraft: Meridian. USAF Sat Cat: 35008 . COSPAR: 2009-029A. Apogee: 36,423 km (22,632 mi). Perigee: 328 km (203 mi). Inclination: 62.9000 deg. Period: 646.00 min. Summary: Secon Meridian communications satellite. Third stage cut off early. Fregat upper stage ran out of fuel during second burn, leaving satellite in useless orbit..

2010 May 21 - .
  • EVA STS-132-3 - . Crew: Good; Reisman. EVA Type: Extravehicular activity. EVA Duration: 0.28 days. Nation: USA. Program: ISS. Flight: STS-132; ISS EO-23; ISS EO-22. Summary: P6 battery replacement (final 2 of 6 units); installed ammonia "jumpers" at the P4/P5 interface; retrieved a spare PDGF from Atlantis' payload bay and stowed it inside the Quest airlock. The spacewalkers also replenished supplies of EVA tools in toolboxes.

2010 May 21 - . 09:00 GMT - . Launch Site: White Sands. LV Family: Black Brant. Launch Vehicle: Black Brant 9.
  • NASA 36.270UG - . Nation: USA. Agency: NASA Greenbelt. Apogee: 325 km (201 mi). Summary: UV Astronomy payload.

2010 May 21 - . 22:01 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA3. LV Family: Ariane 5. Launch Vehicle: Ariane 5ECA.
  • Astra 3B - . Mass: 5,471 kg (12,061 lb). Nation: Luxembourg. Agency: Arianespace. Program: Astra. Class: Communications. Type: Communications satellite. Spacecraft: Eurostar 3000. USAF Sat Cat: 36581 . COSPAR: 2010-021A. Apogee: 35,807 km (22,249 mi). Perigee: 35,765 km (22,223 mi). Inclination: 0.1000 deg. Period: 1,436.10 min. Summary: Communications satellite with 52 Ku-band transponders; stationed at 23.5 deg E..
  • ComsatBW-2 - . Payload: Spacebus 3000B2. Mass: 2,440 kg (5,370 lb). Nation: Germany. Agency: Arianespace. Program: COMSATBw. Class: Communications. Type: Communications satellite. Spacecraft: Spacebus 3000. USAF Sat Cat: 36582 . COSPAR: 2010-021B. Apogee: 35,792 km (22,240 mi). Perigee: 35,781 km (22,233 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: German military communications satellite..

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