Encyclopedia Astronautica
August 21


August 21 Chronology


1895 August 21 - .
  • Birth of Aleksandr Pavlovich Vinogradov - . Nation: Russia. Summary: Russian scientist. Director of Institute of Chemical and Analytical Chemistry. Specialised in lunar sample analysis..

1904 August 21 - .
1905 August 21 - .
  • Birth of Count Helmut Zborowski - . Nation: Austria. Summary: Austrian technical designer of liquid rocket motors and expert in anti-tank missiles. In WW2 joined SS, headed aircraft engine and rocket engine development near Dachau. Received over 300 patents. Worked for the French briefly after the war..

1932 August 21 - .
  • Birth of George Washington Sherman Abbey - . Nation: USA. Summary: American engineer, headed NASA space shuttle operations and astronaut selection 1976-2003; focus of tremendous staff demoralization. For some reason beloved by upper management, surviving both Challenger and Columbia disasters..

1951 August 21 - . Launch Site: Holloman. Launch Complex: Holloman SLED. LV Family: Snark. Launch Vehicle: MX-775.
  • Test mission - . Nation: USA. Agency: USAF. Apogee: 10 km (6 mi).

1952 August 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 105.
  • Operational test - . Nation: USSR. Agency: Korolev. Apogee: 100 km (60 mi).

1952 August 21 - . 06:25 GMT - . Launch Site: Arctic Ocean. Launch Pad: 80.1 N x 68.5 W. Launch Platform: WYG-279. LV Family: Rockoon. Launch Vehicle: Deacon Rockoon. FAILURE: Failure.
  • SUI 1 test - . Nation: USA. Agency: SUI. Apogee: 11 km (6 mi). Summary: Launched at Arctic Ocean Launch Site 1 Launch Point 1 - - Latitude: 80.10 N - Longitude: 68.47 W..

1953 August 21 - . Launch Site: Edwards.
  • D-558 record altitude. - . Nation: USA. Class: Manned. Type: Manned rocketplane. Spacecraft: D-558-2. Summary: Flying Douglas D-558-II (No. 2) Skyrocket research aircraft which had been launched from a B-29 Superfortress at an altitude of 34,000 feet, Lt. Col. Marion E. Carl, USMC, attained an altitude of 83,235 feet at Edwards AFB, Calif..

1957 August 21 - . 12:25 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: R-7. LV Configuration: R-7 No. 8.
  • M1-9 (I-3) test - . Nation: USSR. Agency: MVS. Apogee: 1,350 km (830 mi). Summary: First successful ICBM flight. Problems with the curing of the nose cone material, known before launch, led to the dummy warhead disintegrating over the Kamchatka Peninsula..

1958 August 21 - . Launch Site: Cape Canaveral. LV Family: Bomarc. Launch Vehicle: Bomarc. LV Configuration: Bomarc 624-22.
  • Operational test - . Nation: USA. Agency: USAF. Apogee: 20 km (12 mi).

1959 August 21 - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA1. LV Family: Little Joe. Launch Vehicle: Little Joe 1 4P. LV Configuration: Little Joe 1-4P LJ-1. FAILURE: Failure.
  • Mercury LJ-1 - . Nation: USA. Agency: NASA. Apogee: 1.00 km (0.60 mi). During the countdown of the first programed Little Joe launching (LJ-1 beach abort test) at Wallops Island, the escape rocket fired prematurely 31 minutes before the scheduled launch. The spacecraft rose to an altitude of 2,000 feet and landed about 2,000 feet from the launch site. Premature firing was caused by a faulty escape circuit.

1962 August 21 - .
  • Technical conference on the Mercury MA-7 mission - . Nation: USA. Program: Mercury. Flight: Mercury MA-7. Summary: A conference was held at the Rice Hotel, Houston, Texas, on the technical aspects of the Mercury-Atlas 7 (MA-7) manned orbital mission (Carpenter flight)..

1963 August 21 - . 23:23 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC15. LV Family: Titan. Launch Vehicle: Titan 2. LV Configuration: Titan II N-24.
  • Research and development / Pod T-202 test / plume study mission - . Nation: USA. Agency: USAF AFSC. Apogee: 1,300 km (800 mi). Titan II development flight N-24 was launched from the Atlantic Missile Range. This was the first of five flight tests in the Gemini malfunction detection system (MDS) piggyback series. All MDS parameters were lost 81 seconds after liftoff because of a short circuit in the MDS. Operation in the second flight (N-25 on November 1) was normal except for two minor instrumentation problems. Three more test flights (N-29 on December 12, 1963; N-31 on January 15, 1964; and N-33 on March 23, 1964) verified the performance of the Gemini MDS under actual conditions of flight environment and engine operation.

1964 August 21 - .
  • VPK Meeting on Voskhod - . Nation: USSR. Program: Voskhod. Flight: Voskhod 1. Spacecraft: Voskhod. Summary: The Military-Industrial Commission, following statements by the Chief Designers, sets the launch of the prototype Voskhod with mannequins for 5 September followed by the manned flight between 15 and 20 September..

1964 August 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF08. LV Family: Minuteman. Launch Vehicle: Minuteman 1B. LV Configuration: Minuteman 1B 1072.
  • Operational missile test - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi).

1964 August 21 - . 15:45 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Delta. Launch Vehicle: Thor Agena D SLV-2A/D. LV Configuration: Thor SLV-2A Agena D 412 / Agena D 1603.
  • KH-5 9066A - . Payload: KH-5 s/n 9066A / Agena D 1603 / OPS 2739. Mass: 1,500 kg (3,300 lb). Nation: USA. Agency: NRO; CIA. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: KH-5. Decay Date: 1965-03-31 . USAF Sat Cat: 861 . COSPAR: 1964-048A. Apogee: 363 km (225 mi). Perigee: 351 km (218 mi). Inclination: 114.9000 deg. Period: 91.70 min. Summary: KH-5. 15% of stellar film degraded by flare. Image smearing on leading edge of main camera film. Final ARGON mission. Officially: Spacecraft Engaged in investigation of spaceflight techniques and technology (US Cat A)..
  • Starflash 1B - . Nation: USA. Agency: USAF. Spacecraft: Starflash. Decay Date: 1965-03-31 . USAF Sat Cat: 861 . COSPAR: 1964-048xx. Apogee: 200 km (120 mi). Perigee: 196 km (121 mi). Inclination: 115.0000 deg. Period: 88.50 min.

1965 August 21 - . Launch Site: Baikonur. Launch Complex: Baikonur PU32. LV Family: Tsiklon. Launch Vehicle: R-36 8K67. FAILURE: Failure.
  • State trials missile test - . Nation: USSR. Agency: RVSN. Apogee: 0 km ( mi).

1965 August 21 - . 14:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC19. LV Family: Titan. Launch Vehicle: Titan II GLV. LV Configuration: Titan II GLV GT-5 / 62-12560.
  • Gemini 5 - . Call Sign: Gemini 5. Crew: Conrad; Cooper. Backup Crew: Armstrong; See. Payload: Gemini SC5/Rendezvous Evaluation Pod. Mass: 3,605 kg (7,947 lb). Nation: USA. Related Persons: Conrad; Cooper; Armstrong; See. Agency: NASA Houston. Program: Gemini. Class: Manned. Type: Manned spacecraft. Flight: Gemini 5. Spacecraft: Gemini; Gemini Radar; Gemini REP. Duration: 7.96 days. Decay Date: 1965-08-29 . USAF Sat Cat: 1516 . COSPAR: 1965-068A. Apogee: 395 km (245 mi). Perigee: 304 km (188 mi). Inclination: 32.6000 deg. Period: 91.50 min. Major objectives of the eight-day mission were evaluating the performance of the rendezvous guidance and navigation system, using a rendezvous evaluation pod (REP), and evaluating the effects of prolonged exposure to the space environment on the flight crew. Secondary objectives included demonstrating controlled reentry guidance, evaluating fuel cell performance, demonstrating all phases of guidance and control system operation needed for a rendezvous mission, evaluating the capability of either pilot to maneuver the spacecraft in orbit to rendezvous, evaluating the performance of rendezvous radar, and executing 17 experiments. The mission proceeded without incident through the first two orbits and the ejection of the REP. About 36 minutes after beginning evaluation of the rendezvous guidance and navigation system, the crew noted that the pressure in the oxygen supply tank of the fuel cell system was falling. Pressure dropped from 850 pounds per square inch absolute (psia) at 26 minutes into the flight until it stabilized at 70 psia at 4 hours 22 minutes, and gradually increased through the remainder of the mission. The spacecraft was powered down and the REP exercise was abandoned. By the seventh revolution, experts on the ground had analyzed the problem and a powering-up procedure was started. During the remainder of the mission the flight plan was continuously scheduled in real time. Four rendezvous radar tests were conducted during the mission, the first in revolution 14 on the second day; the spacecraft rendezvous radar successfully tracked a transponder on the ground at Cape Kennedy. During the third day, a simulated Agena rendezvous was conducted at full electrical load. The simulation comprised four maneuvers - apogee adjust, phase adjust, plane change, and coelliptical maneuver - using the orbit attitude and maneuver system (OAMS). Main activities through the fourth day of the mission concerned operations and experiments. During the fifth day, OAMS operation became sluggish and thruster No. 7 inoperative. Thruster No. 8 went out the next day, and the rest of the system was gradually becoming more erratic. Limited experimental and operational activities continued through the remainder of the mission. Retrofire was initiated in the 121st revolution during the eighth day of the mission, one revolution early because of threatening weather in the planned recovery area. Reentry and landing were satisfactory, but the landing point was 145 km short, the result of incorrect navigation coordinates transmitted to the spacecraft computer from the ground network. Landing occurred August 29, 190 hours 55 minutes after the mission had begun. The astronauts arrived on board the prime recovery ship, the aircraft carrier Lake Champlain, at 9:25. The spacecraft was recovered at 11:51 a.m.

    With this flight, the US finally took the manned spaceflight endurance record from Russia, while demonstrating that the crew could survive in zero gravity for the length of time required for a lunar mission. However the mission was incredibly boring, the spacecraft just drifting to conserve fuel most of the time, and was 'just about the hardest thing I've ever done' according to a hyperactive Pete Conrad. An accident with freeze dried shrimp resulted in the cabin being filled with little pink subsatellites.


1967 August 21 - . 17:59 GMT - . Launch Site: Hidden Hills DZ. Launch Pad: 36.1 N x 116.0 W. Launch Platform: NB-52 008. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 2-52-96.
  • X-15A-2 Ramjet/Hycon/TPS Test/Imaging mission? - . Nation: USA. Agency: NASA; USAF. Apogee: 27 km (16 mi). Summary: First test with full ablative coating, ramjet pod. Maximum Speed - 5419 kph. Maximum Altitude - 27740 m..

1968 August 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg 395-C. LV Family: Titan. Launch Vehicle: Titan 2. LV Configuration: Titan II B-53.
  • Glory Trip 18T - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi). Summary: FOT GT18T Follow-on Test launch.

1968 August 21 - . 16:04 GMT - . Launch Site: Railroad Valley Lake DZ. Launch Pad: 38.2 N x 116.2 W. Launch Platform: NB-52 003. LV Family: X-15. Launch Vehicle: X-15. LV Configuration: X-15 1-79-139.
  • X-15A WTR/HS/SB/FAB/FP Test/Technology/Aeronomy mission - . Nation: USA. Agency: NASA; USAF. Apogee: 81 km (50 mi). Summary: Maximum Speed - 5540 kph. Maximum Altitude - 81530 m. Astronaut wings flight (USAF definition)..

1968 August 21 - . 19:40 GMT - . Launch Site: Wallops Island. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.369GI.
  • Ionosphere mission - . Nation: USA. Agency: NASA. Apogee: 193 km (119 mi).

1968 August 21 - . 19:53 GMT - . Launch Site: Wallops Island. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.368GI.
  • Ionosphere mission - . Nation: USA. Agency: NASA. Apogee: 189 km (117 mi).

1968 August 21 - . 20:04 GMT - . Launch Site: Wallops Island. LV Family: Apache. Launch Vehicle: Nike Apache. LV Configuration: Nike Apache NASA 14.370GI.
  • Ionosphere mission - . Nation: USA. Agency: NASA. Apogee: 192 km (119 mi).

1968 August 21 - . 21:30 GMT - . Launch Site: Wallops Island. LV Family: Tomahawk Sandia. Launch Vehicle: Nike Tomahawk. LV Configuration: Nike Tomahawk NASA 18.30UI.
  • Ionosphere mission - . Nation: USA. Agency: NASA. Apogee: 262 km (162 mi).

1969 August 21 - .
  • Final crew selections are made for the Soyuz 6, 7, 8 flights. - . Nation: USSR. Related Persons: Sevastyanov; Nikolayev; Shatalov; Yeliseyev; Khrunov; Kuklin. Program: Soyuz. Flight: Soyuz 6; Soyuz 7; Soyuz 8. Summary: Sevastyanov and Nikolayev did poorly on the final test for the 7/6 crew. Therefore Shatalov and Yeliseyev have been selected. Khrunov has been in an auto accident, and Kuklin didn't pass his centrifuge tests - so they're out as well..

1969 August 21 - .
  • X-24 Flight 3 - . Crew: Gentry. Payload: X-24A flight 3. Nation: USA. Related Persons: Gentry. Class: Manned. Type: Manned spaceplane. Spacecraft: X-24A. Summary: Glide. Maximum Speed - 615 kph. Maximum Altitude - 12190 m. Flight Time - 270 sec..

1969 August 21 - . Launch Site: Vandenberg. Launch Complex: Vandenberg LF24. LV Family: Minuteman. Launch Vehicle: Minuteman 2. LV Configuration: Minuteman 2 2108.
  • OT GT17F operational test launch - . Nation: USA. Agency: USAF SAC. Apogee: 1,300 km (800 mi).

1969 August 21 - . 01:57 GMT - . Launch Site: Woomera. Launch Complex: Woomera LA2. Launch Pad: LA2 SL. LV Family: Skylark. Launch Vehicle: Skylark 3 AC. LV Configuration: Skylark 3 AC SL605.
  • HRCS / PHC Solar x-ray mission - . Nation: UK. Agency: BAC. Apogee: 197 km (122 mi).

1969 August 21 - . 14:09 GMT - . Launch Site: Wallops Island. LV Family: Tomahawk Sandia. Launch Vehicle: Nike Tomahawk. LV Configuration: Nike Tomahawk NASA 18.78GA.
  • Planetary Mass Spec Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 227 km (141 mi).

1969 August 21 - . 15:09 GMT - . Launch Site: Wallops Island. LV Family: Tomahawk Sandia. Launch Vehicle: Nike Tomahawk. LV Configuration: Nike Tomahawk NASA 18.102GA.
  • Thermosphere probe Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 318 km (197 mi).

1970 August 21 - . 20:30 GMT - . Launch Site: White Sands. Launch Vehicle: Rocketsonde.
  • Chaff - . Nation: USA. Agency: MRN. Apogee: 60 km (37 mi).

1971 August 21 - . 01:41 GMT - . Launch Site: Kwajalein. Launch Vehicle: Rocketsonde.
  • Starute, Datasonde - . Nation: USA. Agency: MRN. Apogee: 61 km (37 mi).

1972 August 21 - . LV Family: N1. Launch Vehicle: N1.
  • N1 7L State Commission - . Nation: USSR. Related Persons: Mishin; Okhapkin; Afanasyev, Sergei; Lapygin; Kuznetsov. Program: Lunar L3. Spacecraft: Soyuz 7K-LOK. The State Commission was held to verify readiness of N1 7L for launch. Mishin was 'sick' the whole week of the hearings and had to be represented by his deputies. However neither Mishin or his first deputy Okhapkin were available - both were in the hospital. The commission nearly ruled that until Mishin was available, no launch could be approved. However the review continued. Additional Details: N1 7L State Commission.

1972 August 21 - . 10:28 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas Centaur SLV-3C. LV Configuration: SLV-3C Centaur AC-22 / Centaur D-1A 5004C.
  • OAO 3 - . Payload: OAO-C. Mass: 2,204 kg (4,858 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: OAO. USAF Sat Cat: 6153 . COSPAR: 1972-065A. Apogee: 724 km (449 mi). Perigee: 713 km (443 mi). Inclination: 35.0000 deg. Period: 99.20 min. Summary: UV observations of stellar objects. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Launch vehicle put payload into geosynchronous transfer orbit.

1972 August 21 - . 10:36 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC90/19. Launch Pad: LC90/pad?. LV Family: Tsiklon. Launch Vehicle: Tsiklon-2.
  • Cosmos 516 - . Mass: 3,800 kg (8,300 lb). Nation: USSR. Agency: MO. Program: RORSAT. Class: Surveillance. Type: Military naval surveillance radar satellite. Spacecraft: US-A. Decay Date: 1972-10-20 . USAF Sat Cat: 6199 . COSPAR: 1972-066C. Apogee: 1,038 km (644 mi). Perigee: 906 km (562 mi). Inclination: 64.8000 deg. Period: 104.50 min. Summary: Ocean surveillance; nuclear powered..

1973 August 21 - . 07:00 GMT - . Launch Site: Kagoshima. LV Family: Kappa. Launch Vehicle: Kappa 9M. LV Configuration: Kappa 9M K-9M-43.
  • Plasma / ionosphere mission - . Nation: Japan. Agency: ISAS. Apogee: 355 km (220 mi).

1973 August 21 - . 12:30 GMT - . Launch Site: Plesetsk. LV Family: R-7. Launch Vehicle: Voskhod 11A57.
  • Cosmos 579 - . 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: 1973-09-03 . USAF Sat Cat: 6789 . COSPAR: 1973-055A. Apogee: 270 km (160 mi). Perigee: 171 km (106 mi). Inclination: 65.4000 deg. Period: 88.90 min. Summary: High resolution photo reconnaissance satellite; returned film capsule; maneuverable..

1973 August 21 - . 16:07 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC4W. LV Family: Titan. Launch Vehicle: Titan 33B. LV Configuration: Titan 33B 33B-3 (3B-38) / Ascent Agena D.
  • Jumpseat 3 - . Mass: 700 kg (1,540 lb). Nation: USA. Agency: NRO; USAF. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Jumpseat. USAF Sat Cat: 6791 . COSPAR: 1973-056A. Apogee: 39,296 km (24,417 mi). Perigee: 460 km (280 mi). Inclination: 63.3000 deg. Period: 705.70 min.

1974 August 21 - . 11:40 GMT - . Launch Site: Kheysa. LV Family: M-100. Launch Vehicle: M-100.
  • - . Nation: USSR. Apogee: 91 km (56 mi).

1975 August 21 - . 15:23 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC43. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 62 km (38 mi).

1976 August 21 - . Launch Site: Baikonur. LV Family: UR-100N. Launch Vehicle: UR-100N. FAILURE: Failure.
  • Joint flight trials launch - . Nation: USSR. Agency: RVSN. Apogee: 0 km ( mi).

1976 August 21 - . 00:47 GMT - . Launch Site: Kapustin Yar. Launch Complex: Kapustin Yar V-2. LV Family: MR-12. Launch Vehicle: MR-12.
  • Aeronomy/Chemical release/Plasma mission - . Nation: USSR. Apogee: 160 km (90 mi).

1976 August 21 - . 12:10 GMT - . Launch Site: Kagoshima. LV Family: S. Launch Vehicle: S-310. LV Configuration: S-310-3.
  • Ionosphere mission - . Nation: Japan. Agency: ISAS. Apogee: 195 km (121 mi).

1978 August 21 - . 18:30 GMT - . Launch Site: Primrose Lake. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 44 km (27 mi).

1979 August 21 - . Launch Site: Jiuquan. Launch Complex: Jiuquan LA2B. Launch Pad: LA2B?. LV Family: CZ. Launch Vehicle: DF-5.
  • - . Nation: China. Agency: PRC. Apogee: 1,000 km (600 mi). Summary: Other sources say launch was from Taiyuan on 2 August..

1979 August 21 - . 01:14 GMT - . Launch Site: Kiruna. LV Family: Hawk. Launch Vehicle: Nike Orion. LV Configuration: Nike Orion NASA 31.16UE.
  • SSC S27 / 2 Twilight B Aeronomy mission - . Nation: Sweden. Agency: NASA; SSC. Apogee: 149 km (92 mi).

1979 August 21 - . 11:10 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC41/1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1123 - . Payload: Zenit-4MKT no. 12. Mass: 6,300 kg (13,800 lb). Nation: USSR. Agency: MOM. Program: Resurs. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Zenit-4MKT. Duration: 13.00 days. Decay Date: 1979-09-03 . USAF Sat Cat: 11496 . COSPAR: 1979-076A. Apogee: 236 km (146 mi). Perigee: 211 km (131 mi). Inclination: 81.3000 deg. Period: 88.90 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..

1980 August 21 - . 21:37 GMT - . Launch Site: Kwajalein. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 71 km (44 mi).

1981 August 21 - . 10:20 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1298 - . Mass: 6,600 kg (14,500 lb). Nation: USSR. Agency: MOM. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: Yantar-4K1. Duration: 42.00 days. Decay Date: 1981-10-02 . USAF Sat Cat: 12776 . COSPAR: 1981-080A. Apogee: 328 km (203 mi). Perigee: 170 km (100 mi). Inclination: 64.8000 deg. Period: 89.40 min. Summary: High resolution photo reconnaissance; returned film in two small SpK capsules during the mission and with the main capsule at completion of the mission..

1983 August 21 - . 18:00 GMT - . Launch Site: ETR Launch Area. Launch Platform: SSBN 728. LV Family: Trident. Launch Vehicle: Trident C-4.
  • Demonstration and shakedown operations launch - . Nation: USA. Agency: USN. Apogee: 1,000 km (600 mi).

1984 August 21 - . 15:30 GMT - . Launch Site: Primrose Lake. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 54 km (33 mi).

1985 August 21 - . 14:22 GMT - . Launch Site: Molodezhnaya. LV Family: M-100. Launch Vehicle: M-100B.
  • - . Nation: USSR. Apogee: 82 km (50 mi).

1986 August 21 - . Launch Site: Baikonur. LV Family: R-36M. Launch Vehicle: R-36M2 15A18M. FAILURE: Failure.
  • Joint flight trials launch - . Nation: USSR. Agency: RVSN. Apogee: 0 km ( mi).

1986 August 21 - . 11:04 GMT - . Launch Site: Plesetsk. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Cosmos 1772 - . 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: 1986-09-03 . USAF Sat Cat: 16918 . COSPAR: 1986-063A. Apogee: 338 km (210 mi). Perigee: 195 km (121 mi). Inclination: 72.9000 deg. Period: 89.90 min. Summary: Military cartographic satellite; returned film capsule..

1987 August 21 - . 19:30 GMT - . Launch Site: Wallops Island. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 64 km (39 mi).

1989 August 21 - . 14:05 GMT - . Launch Site: Molodezhnaya. LV Family: M-100. Launch Vehicle: M-100B.
  • - . Nation: USSR. Apogee: 78 km (48 mi).

1990 August 21 - . 16:30 GMT - . Launch Site: Primrose Lake. Launch Vehicle: Rocketsonde.
  • Arcasonde - . Nation: USA. Agency: MRN. Apogee: 63 km (39 mi).

1991 August 21 - . 10:50 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC43/3. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Resurs F-13 - . Payload: Resurs-F2 17F42 s/n 7. 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: 1991-09-20 . USAF Sat Cat: 21664 . COSPAR: 1991-058A. Apogee: 240 km (140 mi). Perigee: 178 km (110 mi). Inclination: 82.3000 deg. Period: 88.70 min. Summary: 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. .

1992 August 21 - . 17:46 GMT - . Launch Site: White Sands. LV Family: Hawk. Launch Vehicle: Nike Orion. LV Configuration: Nike Orion NASA 31.81UU.
  • Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 140 km (80 mi).

1994 August 21 - . Launch Site: Alcantara. LV Family: Viper. Launch Vehicle: Viper. LV Configuration: Viper Sphere.
  • GUARA MET Aeronomy mission - . Nation: USA. Agency: NASA. Apogee: 90 km (55 mi).

1996 August 21 - . 09:47 GMT - . Launch Site: Point Arguello WADZ. Launch Pad: 36.0 N x 123.0 W. Launch Platform: L-1011. LV Family: Pegasus. Launch Vehicle: Pegasus XL. LV Configuration: Pegasus XL F13.
  • FAST - . Nation: USA. Agency: NASA Greenbelt. Program: Small Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: FAST. USAF Sat Cat: 24285 . COSPAR: 1996-049A. Apogee: 4,163 km (2,586 mi). Perigee: 353 km (219 mi). Inclination: 83.0000 deg. Period: 132.70 min. Summary: Second Small Explorer mission..

1997 August 21 - . 00:38 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Delta. Launch Vehicle: Delta 7920-XC. LV Configuration: Delta 7920-10C D246.
  • Iridium 26 - . Payload: Iridium s/n SV026. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed; Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24903 . COSPAR: 1997-043A. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Summary: Plane 2. Ascending node 199.4 degrees..
  • Iridium 22 - . Payload: Iridium s/n SV022. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed; Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24907 . COSPAR: 1997-043E. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Summary: Plane 2. Ascending node 199.3 degrees..
  • Iridium 23 - . Payload: Iridium s/n SV023. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed; Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24906 . COSPAR: 1997-043D. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Summary: Plane 2. Ascending node 199.4 degrees..
  • Iridium 25 - . Payload: Iridium s/n SV025. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed; Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24904 . COSPAR: 1997-043B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Summary: Plane 2. Ascending node 199.4 degrees..
  • Iridium 24 - . Payload: Iridium s/n SV024. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed; Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24905 . COSPAR: 1997-043C. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Summary: Plane 2. Ascending node 199.3 degrees. Should be 24905, failed..

1998 August 21 - . Launch Site: Barents Sea Launch Area. Launch Pad: 69.5 N x 34.2 E. Launch Platform: PLBR. LV Family: R-29. Launch Vehicle: Volna SLV.
  • Operational test - . Nation: Russia. Agency: VMF. Apogee: 1,000 km (600 mi).

1999 August 21 - .
  • Discovery of Dar al Gani 975 (Mars Meteorite) - . Nation: Libya.

2000 August 21 - . 20:14 GMT - . Launch Site: Alcantara. LV Family: Sonda. Launch Vehicle: VS-30/Orion. LV Configuration: VS-30/Orion XV-01.
  • Baronesa Microgravity mission - . Nation: Germany. Agency: AEB; DLR. Apogee: 315 km (195 mi).

2001 August 21 - . 09:23 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC1. LV Family: R-7. Launch Vehicle: Soyuz 11A511U.
  • Progress M-45 - . Payload: Progress M s/n 245. Mass: 7,250 kg (15,980 lb). Nation: Russia. Agency: RAKA. Manufacturer: Korolev. Program: ISS. Class: Manned. Type: Manned logistics spacecraft. Flight: ISS EO-3. Spacecraft: Progress M. Duration: 93.50 days. Decay Date: 2001-11-22 . USAF Sat Cat: 26890 . COSPAR: 2001-036A. Apogee: 389 km (241 mi). Perigee: 376 km (233 mi). Inclination: 51.6000 deg. Period: 92.20 min. ISS Servicing Mission. Launch delayed from July 4 and 24. Progress M-45, 7K-TGM No. 245 (of the older generation series of Progress) docked with the ISS at 0951 GMT on August 23 at the aft Zvezda port vacated by Progress M6-1 a day earlier. It and delivered 2.5 tonnes of fuel, water, oxygen, equipment and spare parts. Progress M-45 undocked on November 22 and was deorbited over the Pacific later the same day.

2002 August 21 - . 10:49 GMT - . Launch Site: Andoya. LV Family: Viper. Launch Vehicle: Viper 3A.
  • RO-A-FS-02 Aeronomy mission - . Nation: Germany. Agency: DLR. Apogee: 106 km (65 mi).

2002 August 21 - . 22:05 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. Launch Pad: SLC41. LV Family: Atlas V. Launch Vehicle: Atlas V 401. LV Configuration: Atlas V 401 AV-001.
  • Hot Bird 6 - . Mass: 3,905 kg (8,609 lb). Nation: Europe. Agency: Eutelsat. Manufacturer: Cannes. Program: Eutelsat. Class: Communications. Type: Civilian communications satellite. Spacecraft: Spacebus 3000. USAF Sat Cat: 27499 . COSPAR: 2002-038A. Apogee: 35,814 km (22,253 mi). Perigee: 35,757 km (22,218 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. This was the maiden flight of the Atlas 5 EELV. Launch delayed from May 9, July 8 and 29, August 6 and 12 due to both payload and booster delays. Hot Bird 6 was a European (EUTELSAT) geostationary communications spacecraft. The 4.9-ton Hot Bird 6 (a Spacebus 3000B3) was to provide digital radio and television coverage to Europe, North Africa, and the Middle East through its 28 Ku-band and four Ka-band transponders after being parked over 13 E longitude. As of 2007 Mar 4 located at 12.95E drifting at 0.012E degrees per day.

2006 August 21 - . 14:30 GMT - . Launch Site: White Sands. LV Family: Black Brant. Launch Vehicle: Black Brant 9. LV Configuration: Black Brant IX NASA 36.238DR.
2007 August 21 - . 16:32 GMT - .
2009 August 21 - . 22:09 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA3. LV Family: Ariane 5. Launch Vehicle: Ariane 5ECA.
  • JCSAT 12 - . Mass: 4,000 kg (8,800 lb). Nation: France. Agency: Arianespace. Program: JCSAT. Class: Communications. Type: Communications satellite. Spacecraft: AS 2100. USAF Sat Cat: 35755 . COSPAR: 2009-044A. Apogee: 35,795 km (22,241 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.0000 deg. Period: 1,436.10 min.
  • Optus D3 - . Payload: Star-2.4. Nation: France. Agency: Arianespace. Program: Aussat. Class: Communications. Type: Communications satellite. Spacecraft: Star bus. USAF Sat Cat: 35756 . COSPAR: 2009-044B. Apogee: 35,800 km (22,200 mi). Perigee: 35,773 km (22,228 mi). Inclination: 0.0000 deg. Period: 1,436.10 min.

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