1991 in spaceflight (January–June) This is a list of spaceflights launched between January and June 1991. For launches between July and December, see 1991 in spaceflight (July–December). For an overview of the whole year, see 1991 in spaceflight. Orbital launches ← Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec → Date and time (UTC) Rocket Flight number Launch site LSP Payload (⚀ = CubeSat) Operator Orbit Function Decay (UTC) Outcome Remarks January 8 January 00:53:01 Delta II (7925) Cape Canaveral SLC-17B McDonnell Douglas NATO-4A NATO Geosynchronous Communication In orbit Successful 14 January 14:50:27 Soyuz-U2 Baikonur Site 1/5 RVSN Progress M-6 MOM Low Earth, docked to Mir Resupply Mir 15 March 1991 Successful 15 January 23:10:49 Ariane 4 (44L) Kourou ELA-2 Arianespace Italsat 1 ASI Geostationary Communication In orbit Successful Eutelsat 2F2 Eutelsat Geostationary Communication In orbit Successful 17 January 10:30 Soyuz-U Plesetsk Site 16/2 RVSN Kosmos 2121 (Zenit-8) MOM Low Earth Reconnaissance 10 February 1991 Successful 18 January 11:34 Tsyklon-2 Baikonur RVSN Kosmos 2122 (US-P) MO SSSR Low Earth Naval Reconnaissance 28 March 1993 Successful 29 January 11:59:58 Kosmos-3M Plesetsk Site 133/3 RVSN Informator-1 MO SSSR Low Earth Communication In orbit Successful February 5 February 02:36 Kosmos-3M Plesetsk Site 133/3 RVSN Kosmos 2123 (Tsikada) MO SSSR Low Earth Navigation In orbit Successful 7 February 18:15 Soyuz-U Plesetsk Site 16 RVSN Kosmos 2124 (Yantar-4K2) MOM Low Earth 7 April 1991 Successful 12 February 02:44 Kosmos-3M Plesetsk Site 133/3 RVSN Kosmos 2125 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2126 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2127 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2128 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2129 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2130 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2131 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful Kosmos 2132 (Strela-1M) MO SSSR Low Earth Communication In orbit Successful 14 February 08:31:56 Proton-K / DM-2 Baikonur Site 200/39 RVSN Kosmos 2133 (Prognoz) MOM Geosynchronous Missile defence In orbit Successful 15 February 09:30 Soyuz-U Baikonur RVSN Kosmos 2134 (Yantar-1KFT) MOM Low Earth Reconnaissance 1 April 1991 Successful 15 February 15:19 Molniya-M Plesetsk Site 43/3 RVSN Molniya-1-80 MOM Molniya Communication In orbit Successful 26 February 04:53:06 Kosmos-3M Plesetsk Site 133/3 RVSN Kosmos 2135 (Parus) MO SSSR Low Earth Navigation In orbit Successful 28 February 05:30:00 Proton-K / DM-2 Baikonur Site 81/23 RVSN MOM Geostationary Communication In orbit Successful March 2 March 23:36:00 Ariane 4 (44LP) Kourou ELA-2 Arianespace Astra 1B SES Astra Geosynchronous Communication In orbit Successful Meteosat 5 ESA / EUMETSAT Geosynchronous Weather In orbit Successful 6 March 15:30 Soyuz-U Plesetsk Site 16 RVSN Kosmos 2136 (Zenit-8) MOM Low Earth Reconnaissance 20 March 1991 Successful 8 March 12:03 Titan IVA (403A) Vandenberg SLC-4E US Air Force USA-69 (Lacrosse-2) NRO Low Earth Radar Reconnaissance In orbit Successful First Titan IV launch from Vandenberg AFB Was one of the oldest operational reconnaissance satellite till 2008. 8 March 23:03 Delta II (6925) Cape Canaveral SLC-17B McDonnell Douglas Inmarsat 2F2 Inmarsat Geosynchronous Communication In orbit Successful 12 March 19:29:04 Kosmos-3M Plesetsk Site 133/3 RVSN Nadezhda-3 MO SSSR Low Earth Navigation In orbit Successful 19 March 13:05:15 Soyuz-U2 Baikonur Site 1/5 RVSN Progress M-7 MOM Low Earth, docked to Mir Resupply Mir 7 May 1991 Successful 19 March 14:30 Kosmos-3M Plesetsk Site 132/1 RVSN Kosmos 2137 (Taifun-1) MO SSSR Low Earth Radar calibration 3 April 1995 Successful 22 March 12:19:59 Molniya-M Plesetsk Site 43/4 RVSN Molniya-3-55L MOM Molniya Communication In orbit Successful 26 March 13:45 Soyuz-U Plesetsk Site 16 RVSN Kosmos 2138 (Yantar-4K2) MOM Low Earth Reconnaissance 24 May 1991 Successful 31 March 15:12:00 Proton-K Baikonur Site 200/40 RVSN Almaz-1 MOM Low Earth Radar reconnaissance 17 October 1992 Successful April 4 April 10:47:12 Proton-K / DM-2 Baikonur Site 200/39 RVSN Kosmos 2139 (GLONASS) MOM Medium Earth Navigation In orbit Successful Kosmos 2140 (GLONASS) MOM Medium Earth Navigation In orbit Successful Kosmos 2141 (GLONASS) MOM Medium Earth Navigation In orbit Successful 4 April 23:33:00 Ariane 4 (44P) Kourou ELA-2 Arianespace Anik E2 Telesat Geosynchronous Communication In orbit Successful 5 April 14:22:45 Space Shuttle Atlantis Kennedy LC-39B United Space Alliance STS-37 NASA Low Earth Manned orbital flight 11 April 1991 Successful Compton Gamma Ray Observatory (CGRO) NASA Low Earth Gamma ray astronomy 4 June 2000 Successful 13 April 00:09 Delta II (7925) Cape Canaveral SLC-17B McDonnell Douglas Spacenet 4 GE Americom Geostationary Communication In orbit Successful 16 April 07:21:42 Kosmos-3M Plesetsk Site 132/1 RVSN Kosmos 2142 (Parus) MO SSSR Low Earth Navigation In orbit Successful 18 April 23:30 Atlas I Cape Canaveral LC-36B General Dynamics Yuri 3H General Dynamics Intended: Geosynchronous Communication T+361 seconds Failure Destroyed by RSO after upper stage turbopump malfunction Apogee: 175 kilometres (109 mi) 24 April 01:37:00 Tsyklon-3 Plesetsk RVSN Meteor-3-4 MO SSSR Low Earth Weather In orbit Successful 28 April 11:33:14 Space Shuttle Discovery Kennedy LC-39A United Space Alliance STS-39 NASA Low Earth Manned orbital flight 6 May 1991 Successful IBSS-SPAS (SPAS 02) SDIO Low Earth Missile defence experiments 6 May 1991 Successful USA-70 (MPEC) DARPA Low Earth Technology 13 May 1991 Successful CRO-C SDIO Low Earth Chemical release 14 May 1991 Successful CRO-B SDIO Low Earth Chemical release 12 May 1991 Successful CRO-A SDIO Low Earth Chemical release 13 May 1991 Successful May 14 May 15:52:03 Atlas-E Vandenberg SLC-3W US Air Force NOAA-12 NOAA Low Earth (SSO) Weather In orbit Successful 16 May 21:40 Tsyklon-3 Plesetsk RVSN Kosmos 2143 (Strela-3) MO SSSR Low Earth Communication In orbit Successful Kosmos 2144 (Strela-3) MO SSSR Low Earth Communication In orbit Successful Kosmos 2145 (Strela-3) MO SSSR Low Earth Communication In orbit Successful Kosmos 2146 (Strela-3) MO SSSR Low Earth Communication In orbit Successful Kosmos 2147 (Strela-3) MO SSSR Low Earth Communication In orbit Successful Kosmos 2148 (Strela-3) MO SSSR Low Earth Communication In orbit Successful 18 May 12:50:28 Soyuz-U2 Baikonur Site 1/5 RVSN Soyuz TM-12 MOM Low Earth, docked to Mir Manned orbital flight 10 October 1991 Successful 21 May 09:00:00 Soyuz-U Plesetsk Site 43/4 RVSN Resurs-F-10 MOM Low Earth Remote sensing 20 June 1991 Successful 24 May 15:29 Soyuz-U Plesetsk Site 43/3 RVSN Kosmos 2149 (Yantar-4K2) MOM Low Earth Reconnaissance 4 July 1991 Successful 29 May 22:55 Delta II (7925) Cape Canaveral SLC-17B McDonnell Douglas Aurora 2 GE Alascom Geostationary Communication In orbit Successful 30 May 08:04:03 Soyuz-U2 Baikonur Site 1/5 RVSN Progress M-8 MOM Low Earth, docked to Mir Resupply Mir 16 August 1991 Successful June 4 June 08:10:00 Tsyklon-3 Plesetsk Site 32/2 RVSN Okean-3 MOM Low Earth Oceanography In orbit Successful 5 June 13:24:51 Space Shuttle Columbia Kennedy LC-39B United Space Alliance STS-40 NASA Low Earth Manned orbital flight 14 June 1991 Successful SLS-1 (Spacelab) ESA / NASA Low Earth Biological research In orbit Successful 11 June 05:41 Kosmos-3M Plesetsk Site 133/3 RVSN Kosmos 2150 (Strela-2M) MO SSSR Low Earth Communication In orbit Successful 13 June 15:41 Tsyklon-3 Plesetsk RVSN Kosmos 2151 (Tselina-R) MO SSSR Low Earth ELINT In orbit Successful 18 June 09:09 Molniya-M Plesetsk Site 43/4 RVSN Molniya-1-81 MOM Molniya Communication In orbit Successful 25 June Kosmos-3M Plesetsk Site 132/1 RVSN Taifun-2-28 MO SSSR Intended: Low Earth Radar calibration 25 June 1991 Failure Second stage malfunction 28 June 08:09:59 Soyuz-U Plesetsk Site 43/3 RVSN Resurs-F-11 MOM Low Earth Remote sensing 21 July 1991 Successful 29 June 14:00 Scout G-1 Vandenberg SLC-5 NASA REX-1 (P89-1A / ISES) US Air Force / STP Low Earth (Polar) Technology demonstration In orbit Successful ← Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec → Suborbital launches ← Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec → Date and time (UTC) Rocket Flight number Launch site LSP Payload Operator Orbit Function Decay (UTC) Outcome Remarks January-March 17 January Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 17 January 1991 Successful Apogee: 100 kilometres (62 mi) 19 January Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 19 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Israel 19 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Israel 19 January 1991 Successful Apogee: 100 kilometres (62 mi) 20 January 18:43 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 20 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Dhahran 20 January 1991 Successful Apogee: 100 kilometres (62 mi) 21 January 08:29 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 21 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Dhahran 21 January 1991 Successful Apogee: 100 kilometres (62 mi) 21 January 09:42 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 21 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 21 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 21 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 21 January 1991 Successful Apogee: 100 kilometres (62 mi) 21 January 19:18 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Al Jubayl 21 January 1991 Successful Apogee: 100 kilometres (62 mi) 22 January 00:41 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 22 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 22 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 22 January 1991 Successful Apogee: 100 kilometres (62 mi) Aimed at US Air Force base, intercepted by Patriot ABM, warhead fell on a civilian neighbourhood. 22 January 04:10 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 22 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Dhahran 22 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Dhahran 22 January 1991 Successful Apogee: 100 kilometres (62 mi) Aimed at US Air Force base. Intercepted by Patriot ABM, but still hit target. 22 January Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 22 January 1991 Successful Apogee: 100 kilometres (62 mi) 22 January Zhinui 3 Haikou Space Centre, Hainan CALT CALT Sub-orbital Test flight 22 January 1991 Successful Apogee: 120 kilometres (75 mi) 23 January 19:54 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 23 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Dhahran 23 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 23 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 23 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Israel 23 January 1991 Successful Apogee: 100 kilometres (62 mi) 25 January 19:23 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 25 January 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Riyadh 25 January 1991 Successful Apogee: 100 kilometres (62 mi) Aimed at Coalition headquarters, intercepted by Patriot ABM, hit Saudi Department of Interior. 25 January Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 25 January 1991 Successful Apogee: 100 kilometres (62 mi) 26 January 00:28 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 26 January 1991 Successful Apogee: 100 kilometres (62 mi) 26 January 06:25 Black Brant IX White Sands LC-36 NASA NASA / JHU Sub-orbital Ultraviolet Astronomy 26 January 1991 Successful Apogee: 300 kilometres (190 mi) 26 January 19:46 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 26 January 1991 Successful Apogee: 100 kilometres (62 mi) 26 January Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 26 January 1991 Successful Apogee: 100 kilometres (62 mi) 28 January 17:55 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 28 January 1991 Successful Apogee: 100 kilometres (62 mi) Aimed at downtown Riyadh, intercepted by Patriot ABM, debris damaged a farm. 28 January 18:24:24 ERIS Meck Island, Kwajalein Atoll US Air Force ERIS US Air Force Sub-orbital Interceptor test 28 January 1991 Successful Apogee: 270 kilometres (170 mi) Intercepted Aries rocket 28 January 18:03:00 Minuteman IB Vandenberg LF-03 US Air Force US Air Force Sub-orbital Target 28 January 1991 Successful Apogee: 1,300 kilometres (810 mi) 2 February, 21:41 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 2 February 1991 Successful Apogee: 100 kilometres (62 mi) 2 February Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 2 February 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Israel 2 February 1991 Successful 6 February 07:29 LCLV Wallops Island Orbital Sciences NRL Sub-orbital Plasma research 6 February 1991 Successful Apogee: 510 kilometres (320 mi) 6 February 17:30 MR-12 Kapustin Yar MO SSSR MO SSSR Sub-orbital Plasma research 6 February 1991 Successful Apogee: 150 kilometres (93 mi) 7 February 08:15 RT-2PM Topol Plesetsk RVSN RVSN Sub-orbital Missile test 7 February 1991 Successful Apogee: 1,000 kilometres (620 mi) 7 February 22:54 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 7 February 1991 Successful 11 February 19:20 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 11 February 1991 Successful Apogee: 100 kilometres (62 mi) 11 February Prithvi Sriharikota DRDL DRDL Sub-orbital Missile test 11 February 1991 Successful Apogee: 100 kilometres (62 mi) 12 February 03:29 S-520 Andøya ISAS ISAS Sub-orbital Auroral 12 February 1991 Successful Apogee: 353 kilometres (219 mi) 12 February 09:11:54 Black Brant XII Poker Flat NASA TOPAZ-3 NASA Sub-orbital Plasma research 12 February 1991 Successful Apogee: 1,000 kilometres (620 mi) 14 February 08:45 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack King Khalid Military City 14 February 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Hafir Al Batin 14 February 1991 Successful Apogee: 100 kilometres (62 mi), hit King Khalid Military City. 15 February 23:01 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Al Jubayl 15 February 1991 Successful Apogee: 100 kilometres (62 mi) 16 February 13:00 S-520 Kagoshima LA-K ISAS ISAS Sub-orbital Ultraviolet Astronomy 16 February 1991 Successful Apogee: 337 kilometres (209 mi) 18 February 14:30 Strypi-XI Barking Sands LC-1 SDIO Bow Shock 2 SDIO Sub-orbital Reentry Test 18 February 1991 Successful Apogee: 120 kilometres (75 mi) 21 February 14:06 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack King Khalid Military City 21 February 1991 Successful High Explosive warhead IQAF Sub-orbital Attack King Khalid Military City 21 February 1991 Successful Apogee: 100 kilometres (62 mi) 21 February 18:00 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack King Khalid Military City 21 February 1991 Successful Apogee: 100 kilometres (62 mi) 21 February 23:31 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Bahrain 21 February 1991 Successful Apogee: 100 kilometres (62 mi) 22 February 19:46 Black Brant IX White Sands LC-36 NASA NASA Sub-orbital Solar research 22 February 1991 Successful Apogee: 300 kilometres (190 mi) 23 February 01:59 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 23 February 1991 Successful High Explosive warhead IQAF Sub-orbital Attack Dhahran 23 February 1991 Successful Apogee: 100 kilometres (62 mi) 24 February 01:32 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 24 February 1991 Successful Apogee: 100 kilometres (62 mi) Aimed at Coalition headquarters, intercepted by Patriot ABM, debris fell on a school. 24 February 06:23 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 24 February 1991 Successful Apogee: 100 kilometres (62 mi) 24 February 09:17 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Riyadh 24 February 1991 Successful Apogee: 100 kilometres (62 mi) 24 February Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel 24 February 1991 Successful Apogee: 100 kilometres (62 mi) 25 February 17:32 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Dhahran 25 February 1991 Successful Apogee: 100 kilometres (62 mi) Hit US Army barracks, killing 28 and injuring 110. 25 February 22:26 Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Qatar 25 February 1991 Successful Apogee: 100 kilometres (62 mi) February Al Hussein Iraq IQAF High Explosive warhead IQAF Sub-orbital Attack Israel Within an hour of launch Successful High Explosive warhead IQAF Sub-orbital Attack Israel Within an hour of launch Successful High Explosive warhead IQAF Sub-orbital Attack Israel Within an hour of launch Successful Apogee: 100 kilometres (62 mi) 12 March LGM-118 Peacekeeper Vandenberg LF-02 US Air Force US Air Force Sub-orbital Operational test flight 12 March 1991 Successful Apogee: 1,000 kilometres (620 mi) 18 March 10:15 Black Brant IX White Sands LC-36 NASA SXT NASA / University of Colorado, Boulder Sub-orbital X-ray astronomy 18 March 1991 Successful Apogee: 300 kilometres (190 mi) 19 March UGM-96 Trident I (Trident C-4) Submarine, WTR US Navy US Navy Sub-orbital Operational test flight 19 March 1991 Successful US Navy Sub-orbital Operational test flight 19 March 1991 Successful Apogee: 1,000 kilometres (620 mi) 23 March 07:00 Black Brant IX White Sands LC-36 NASA MAMA NASA Sub-orbital Ultraviolet Astronomy 23 March 1991 Successful Apogee: 300 kilometres (190 mi) 30 March 02:27 Black Brant IX White Sands LC-36 NASA NASA Sub-orbital Aeronomy 30 March 1991 Successful Apogee: 300 kilometres (190 mi) April-June 5 April 14:05 RT-2PM Topol Plesetsk RVSN RVSN Sub-orbital Missile test 5 April 1991 Successful Apogee: 1,000 kilometres (620 mi) 9 April 17:50 Skylark 7 Esrange LA-S DLR SISSI-4 DLR Sub-orbital Aeronomy 9 April 1991 Successful Apogee: 245 kilometres (152 mi) 9 April 18:18 Viper 3A Esrange DLR PMSE DLR Sub-orbital Aeronomy 9 April 1991 Successful Apogee: 110 kilometres (68 mi) 9 April 19:20 Viper 3A Esrange DLR PMSE DLR Sub-orbital Aeronomy 9 April 1991 Successful Apogee: 110 kilometres (68 mi) 12 April HPB Wallops Island Orbital Sciences Orbital Sciences Sub-orbital Target 12 April 1991 Successful Apogee: 400 kilometres (250 mi) 15 April 22:10 UGM-133 Trident II (Trident D-5) USS West Virginia, ETR US Navy DASO-6 US Navy Sub-orbital Operational test flight 15 April 1991 Successful Apogee: 1,000 kilometres (620 mi) 17 April 07:46 Black Brant 10CM1 Wallops Island SDIO SPFE-2 SDIO Sub-orbital Technology demonstration 17 April 1991 Successful Apogee: 300 kilometres (190 mi) 18 April 18:33 MGM-134 Midgetman Vandenberg TP-01 US Air Force US Air Force Sub-orbital Missile test 18 April 1991 Successful Final flight of the Midgetman Apogee: 1,000 kilometres (620 mi) 25 April 18:00 Nike Orion Poker Flat NASA CWAS-19 NASA Sub-orbital Aeronomy 25 April 1991 Successful Apogee: 140 kilometres (87 mi) 29 April Sonda-3 Barreira do Inferno IAE INPE Sub-orbital Ionospheric research 29 April 1991 Successful Apogee: 441 kilometres (274 mi) 30 April 19:19 Nike Orion Poker Flat NASA CWAS-20 NASA Sub-orbital Aeronomy 30 April 1991 Failure Apogee: 10 kilometres (6.2 mi) 4 May 04:10 Black Brant IX White Sands LC-36 NASA JASPR-I NASA Sub-orbital Ultraviolet Astronomy 4 May 1991 Successful Apogee: 300 kilometres (190 mi) 7 May 18:05 Black Brant IX White Sands LC-36 NASA SERTS-4 NASA Sub-orbital Solar research 7 May 1991 Successful Apogee: 300 kilometres (190 mi) 8 May 03:54:00 Maxus Esrange SSC SSC Sub-orbital Microgravity 8 May 1991 Failure Apogee: 157 kilometres (98 mi) 10 May UGM-96 Trident I (Trident C-4) USS Mariano G. Vallejo, ETR US Navy FCET US Navy Sub-orbital Operational test flight 10 May 1991 Successful FCET US Navy Sub-orbital Operational test flight 10 May 1991 Successful Apogee: 1,000 kilometres (620 mi) 11 May 20:40 Minuteman IB Vandenberg LF-03 US Air Force US Air Force Sub-orbital Target 11 May 1991 Successful Apogee: 1,300 kilometres (810 mi) Interceptor launch scrubbed 13 May 19:03 Black Brant IX White Sands LC-36 NASA MSSTA-I NASA Sub-orbital X-ray astronomy 13 May 1991 Successful Apogee: 230 kilometres (140 mi) 20 May 07:30 Aries White Sands LC-36 NASA SXT (XOGS) NASA Sub-orbital X-ray astronomy 20 May 1991 Successful Apogee: 300 kilometres (190 mi) 28 May 12:05 R-36MUTTH (SS-18 Mod 4) Baikonur RVSN RVSN Sub-orbital Operational test flight 28 May 1991 Successful Apogee: 1,000 kilometres (620 mi) May Hwasong-6 Qom DPRK DPRK Sub-orbital Missile test Within an hour of launch Successful Apogee: 200 kilometres (120 mi) 11 June 17:47 LGM-118 Peacekeeper Vandenberg LF-08 US Air Force US Air Force Sub-orbital Operational test flight 11 June 1991 Successful Apogee: 1,000 kilometres (620 mi) 18 June 11:34 Prospector Cape Canaveral LC-20 Orbital Sciences Orbital Sciences Sub-orbital Microgravity 18 June 1991 Failure Apogee: 1 kilometre (0.62 mi) 21 June Minuteman IB Vandenberg LF-03 US Air Force US Air Force Sub-orbital Re-entry vehicle test 21 June 1991 Successful Apogee: 1,300 kilometres (810 mi) 24 June SSBS S3 Biscarrosse BLB DMA DMA Sub-orbital Operational test flight 24 June 1991 Successful Apogee: 1,000 kilometres (620 mi) 25 June 17:00 RT-2PM Topol Plesetsk RVSN RVSN Sub-orbital Missile test 25 June 1991 Successful Apogee: 1,000 kilometres (620 mi) 26 June 02:39 Minuteman III Vandenberg LF-26 US Air Force GT-144GB US Air Force Sub-orbital Operational test flight 26 June 1991 Successful Apogee: 1,300 kilometres (810 mi) ← Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec → References Bergin, Chris. "NASASpaceFlight.com". Clark, Stephen. "Spaceflight Now". Kelso, T.S. "Satellite Catalog (SATCAT)". CelesTrak. Krebs, Gunter. "Chronology of Space Launches". Kyle, Ed. "Space Launch Report". Archived from the original on 5 October 2009. Retrieved 13 August 2022. McDowell, Jonathan. "GCAT Orbital Launch Log". Pietrobon, Steven. "Steven Pietrobon's Space Archive". Wade, Mark. "Encyclopedia Astronautica". Webb, Brian. "Southwest Space Archive". Zak, Anatoly. "Russian Space Web". "ISS Calendar". Spaceflight 101. "NSSDCA Master Catalog". NASA Space Science Data Coordinated Archive. NASA Goddard Space Flight Center. "Хроника освоения космоса" [Chronicle of space exploration]. CosmoWorld (in Russian). "Rocket Launch Manifest". Next Spaceflight. "Space Launch Plans". Novosti Kosmonavtiki. Generic references: view talk edit Spaceflight portal

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Prefix: a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9

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