Portal:Spaceflight/On This Day/May

1 May

• 1968 - A Thorad-Agena launches a CORONA satellite.
• 1978 - A Thor DSV-2U launches a DMSP satellite.
• 2013 - A Long March 3B launches the Zhongxing 11 satellite.

2 May

• 1969 - A Thorad-Agena launches a CORONA satellite.
• 1998 - A Long March 2C launches three Iridium satellites.

3 May

• 1966 - A Thor-Agena fails to launch a CORONA satellite.
• 1986 - A Delta 3914 fails to launch the GOES-G satellite.
• 1994 - A Titan IV launches a Trumpet satellite.
• 2000 - An Atlas IIA launches the GOES L satellite.
• 2000 - A Soyuz-U launches the Kosmos 2370 satellite.
• 2006 - A Soyuz-U launches the Kosmos 2420 satellite.

4 May

• 1967 - An Atlas-Agena launches the Lunar Orbiter 4 spacecraft.
• 1976 - A Delta 2913 launches the Lageos satellite.
• 1979 - An Atlas-Centaur launches the Fltsatcom-2 satellite.
• 1989 - Space Shuttle Atlantis launches on mission STS-30 to deploy the Magellan probe to Venus.
• 1994 - An ASLV launches the SROSS C2 satellite.
• 2002 - An Ariane 4 launches the SPOT-5 satellite.
• 2002 - A Delta II launches the Aqua satellite.
• 2004 - A Zenit-3SL launches the DirecTV 7S satellite.
• 2007 - An Ariane 5 launches the Astra 1L and Galaxy 17 satellites.
• 2011 - A Soyuz-2-1a / Fregat launches the Meridian 4 satellite.
• 2012 - An Atlas V launches the USA-235 military communication satellite for the AEHF system.

5 May

• 1961 - Alan Shepard becomes the first American in space, and the first man to fly a sub-orbital spaceflight, aboard Mercury-Redstone 3.
• 1967 - A Scout A launches the Ariel 3 satellite.
• 1971 - A Titan IIIC launches the DSP-2 satellite.
• 1972 - A Voskhod launches the Kosmos 488 satellite.
• 1973 - A Voskhod launches the Kosmos 556 satellite.
• 1976 - A Voskhod launches the Kosmos 817 satellite.
• 1977 - A Soyuz-U launches the Kosmos 907 satellite.
• 1978 - A Soyuz-U launches the Kosmos 1004 satellite.
• 1982 - A Vostok-2M launches the Kosmos 1356 satellite.
• 1987 - A Soyuz-U launches the Kosmos 1843 satellite.
• 1989 - A Soyuz-U launches the Kosmos 2019 satellite.
• 1990 - A Soyuz-U2 launches the Progress 42 spacecraft to resupply Mir.
• 1996 - A Soyuz-U launches the Progress M-31 spacecraft to resupply Mir.
• 1997 - A Delta II launches several Iridium satellites.
• 1999 - A Delta III fails to launch the Orion 3 satellite.
• 2005 - A PSLV launches the CartoSat-1 satellite.
• 2009 - A Delta II 7920-10C launches the USA-205 satellite.
• 2018 - An Atlas 5 401 launches the InSight lander and the MarCO-A and MarCO-B satellites.

6 May

• 1965 - A Titan IIIA launches the LES-2 satellite.
• 1966 - A Vostok-2 launches the Kosmos 117 satellite.
• 1971 - A Voskhod launches the Kosmos 410 satellite.
• 1972 - A Kosmos-3M launches the Kosmos 489 satellite.
• 1982 - A Kosmos-3M launches eight satellites.
• 1983 - A Kosmos-3M launches the Kosmos 1459 satellite.
• 1983 - A Soyuz-U launches the Kosmos 1460 satellite.
• 1988 - A Proton-K launches an Ekran satellite.
• 2012 - A Long March 2D launches the Tianhui-1-02 satellite.

7 May

• 1963 - Telstar-2 is launched by a Delta B
• 1955 - Kosmos 66 is launched by a Vostok-2
• 1968 - Kosmos 220 is launched by a Kosmos-3M
• 1971 - Eight Strela satellites are launched by a Kosmos-3M
• 1975 - Explorer-53 is launched by a Scout-F launched from the San Marco platform.
• 1975 - Anik A3 is launched by a Delta 2914
• 1980 - Kosmos 1179 is launched by a Soyuz-U
• 1981 - Kosmos 1269 is launched by a Kosmos-3M
• 1983 - Kosmos 1461 is launched by a Tsyklon-2
• 1984 - Progress 21 is launched by a Soyuz-U
• 1990 - Kosmos 2077 is launched by a Soyuz-U
• 1992 - Space Shuttle Endeavour makes its maiden flight, STS-49, a mission to reboost the Intelsat 603 satellite, which had been placed in a useless orbit.
• 1998 - Kosmos 2351 is launched by a Molniya-M
• 1998 - Echostar-4 is launched by a Proton-K
• 2002 - DirecTV-5 is launched by a Proton-K
• 2009 - A Soyuz-U launches Progress M-02M.
• 2011 - An Atlas V launches USA-230 for the Space Based Infrared System.
• 2013 - The second Vega rocket launches Proba-V, VNREDSat 1A and ESTCube-1.

8 May

• 1985 - An Ariane 3 launches the Gstar 1 and Telecom 1B satellites.
• 2000 - A Titan IV launches the DSP-20 satellite.
• 2001 - A Zenit-3SL launches the XM-1 Rock satellite.
• 2003 - A GSLV launches the GSAT-2 satellite.

9 May

• 1963 - An Atlas-Agena launches the Midas 7 satellite.
• 1965 - A Molniya-M launches the Luna 5 probe.
• 1967 - A Thorad-Agena launches a CORONA satellite.
• 1971 - An Atlas-Centaur fails to launch the Mariner 8 probe.
• 1990 - A Scout G-1 launches the MACSAT-1 and 2 satellites.
• 1994 - A Scout G-1 launches the MSTI-2 satellite.
• 1998 - A Titan IV launches an Advanced Orion satellite.
• 2003 - A M-V launches the Hayabusa probe.

10 May

• 1962 - A Thor-Ablestar fails to launch the ANNA-1A satellite.
• 1971 - A Proton-K fails to launch the Kosmos 419 Mars probe.
• 1989 - A Titan 34D launches the USA-37 satellite.
• 1999 - A Long March 4B launches the FY-1C satellite.
• 2012 - A Long March 4B launches the Yaogan 14 and Tiantuo-1 satellites.

11 May

• 1966 - A Vostok-2M launches the Kosmos 118 satellite.
• 1973 - A Proton-K launches the Kosmos 557 satellite.
• 1978 - A Delta 3914 launches the OTS 2 satellite.
• 1982 - A Titan IIID launches a KH-9 satellite.
• 1984 - A Kosmos-3M launches the Kosmos 1550 satellite.
• 1984 - A Soyuz-U launches the Kosmos 1551 satellite.
• 1987 - A Proton-K launches a Gorizont satellite.
• 1993 - A Tsyklon-3 launches six satellites.
• 1997 - A Long March 3A launches the Zhongxing-6 satellite.
• 2000 - A Delta II launches a GPS satellite.
• 2009 - Space Shuttle Atlantis launches on STS-125, the last mission to service the Hubble Space Telescope.

12 May

• 1967 - A Vostok-2 launches the Kosmos 157 satellite.
• 1970 - A Voskhod launches the Kosmos 344 satellite.
• 1976 - A Molniya-M launches a Molniya-3 satellite.
• 1977 - A Titan IIIC launches two DSCS satellites.
• 1978 - A Vostok-2M launches the Kosmos 1005 satellite.
• 1978 - A Kosmos-3M launches the Kosmos 1006 satellite.
• 1988 - A Soyuz-U launches the Kosmos 1942 satellite.
• 1993 - An Ariane 4 launches the Astra 1C and Arsene satellites.
• 1996 - A Titan IV launches a cluster of NOSS satellites.
• 2007 - A Soyuz-U launches the Progress M-60 spacecraft to resupply the International Space Station.

13 May

• 1960 - A Thor-Delta fails to launch an Echo satellite.
• 1969 - A Voskhod launches the Kosmos 281 satellite.
• 1976 - An Atlas-Centaur launches the Comstar-D1 satellite.
• 1978 - An Atlas E/F launches a GPS satellite.
• 1979 - A Soyuz-U launches the Progress 6 spacecraft to resupply Salyut 6.
• 1982 - A Soyuz-U launches the manned Soyuz T-5 mission.
• 1987 - A Zenit-2 launches the Kosmos 1844 satellite.
• 1987 - A Soyuz-U launches the Kosmos 1845 satellite.
• 1988 - A Soyuz-U2 launches the Progress 36 spacecraft to resupply Mir.
• 1993 - A Delta II launches a GPS satellite.
• 1998 - A Titan 23G launches the NOAA-15 satellite.
• 2007 - A Long March 3B launches NigComSat-1, the first African geosynchronous communications satellite.

14 May

• 1966 - An Atlas-Agena launches an AFP-206 satellite.
• 1973 - A Saturn INT-21 launches the Skylab space station.
• 1980 - A Kosmos-3M launches the Kosmos 1179 satellite.
• 1981 - A Soyuz-U launches the manned Soyuz 40 mission.
• 1981 - A Vostok-2M launches a Meteor satellite.
• 1982 - A Tsyklon-2 launches the Kosmos 1365 satellite.
• 1984 - A Soyuz-U launches the Kosmos 1552 satellite.
• 1986 - A Soyuz-U launches the Kosmos 1742 satellite.
• 1991 - An Atlas E/F launches the NOAA-12 satellite.
• 1992 - A Delta II launches the Palapa B4 satellite.
• 1995 - A Titan IV launches an Advanced Orion satellite.
• 1996 - A Soyuz-U fails to launch an unknown satellite.
• 1997 - A Molniya-M launches the Kosmos 2342 satellite.
• 1998 - A Soyuz-U launches the Progress M-39 spacecraft to resupply Mir.
• 2003 - An Atlas V launches HellasSat-2, the first Greek satellite.
• 2008 - A Soyuz-U launches Progress M-64 to resupply the ISS.
• 2009 - An Ariane 5ECA launches the Herschel and Planck spacecraft.
• 2010 - Space Shuttle Atlantis launches on the STS-132 mission with the Rassvet module and other equipment to the International Space Station.
• 2013 - A Proton-M launches the Eutelsat 3D satellite.

15 May

• 1958 - A Sputnik launches the Sputnik 3 satellite.
• 1960 - A Vostok-L launches a Korabl'-Sputnik satellite.
• 1962 - A Thor-Agena launches a CORONA satellite.
• 1963 - An Atlas LV-3B launches the last Mercury mission, Mercury-Atlas 9, with astronaut Gordon Cooper aboard.
• 1966 - A Thor-Agena launches the Nimbus 2 satellite.
• 1967 - A Kosmos-3M launches the Kosmos 158 satellite.
• 1974 - A Tsyklon-2 launches the Kosmos 651 satellite.
• 1974 - A Soyuz-U launches the Kosmos 652 satellite.
• 1974 - A Voskhod launches the Kosmos 653 satellite.
• 1976 - A Vostok-2M launches a Meteor satellite.
• 1979 - A Soyuz-U launches the Kosmos 1098 satellite.
• 1980 - A Soyuz-U launches the Kosmos 1180 satellite.
• 1981 - A Scout G-1 launches the Nova 1 satellite.
• 1982 - A Soyuz-U fails to launch an unknown satellite.
• 1985 - A Soyuz-U launches the Kosmos 1649 satellite.
• 1986 - A Tsyklon-3 launches the Kosmos 1743 satellite.
• 1987 - An Atlas H launches three NOSS satellites.
• 1987 - The first Energia rocket fails to launch the Polyus satellite.
• 1988 - A Zenit-2 launches the Kosmos 1943 satellite.
• 1990 - A Soyuz-U launches the Kosmos 2078 satellite.
• 1997 - Space Shuttle Atlantis launches on mission STS-84 to visit Mir.
• 1997 - A Soyuz-U launches the Kosmos 2343 satellite.
• 2001 - A Proton-K launches the PanAmSat-10 satellite.
• 2002 - A Long March 4B launches the FY-1D satellite.
• 2012 - A Soyuz-FG launches Soyuz TMA-04M, carrying three of the Expedition 31 crew to the ISS.
• 2012 - An Ariane 5ECA launches the JCSAT-13 and Vinasat-2 satellites.
• 2013 - An Atlas V launches GPS IIF-4, the first operational GPS satellite launched on an Atlas rocket.

16 May

• 1967 - A Molniya-M launches the Kosmos 159 satellite.
• 1973 - A Titan 24B launches a KH-8A satellite.
• 1978 - A Soyuz-U launches the Kosmos 1007 satellite.
• 1991 - A Tsyklon-3 launches six satellites.
• 1996 - An Ariane 4 launches the Palapa C2 and AMOS 1 satellites.
• 2000 - A Rokot launches the Simsat-1 and 2 satellites.
• 2009 - A Proton-M/Briz-M launches the ProtoStar II satellite.
• 2011 - Space Shuttle Endeavour launches on mission STS-134 to deliver AMS-02 and the ExPRESS Logistics Carrier 3 to the ISS. This is Space Shuttle Endeavour's final spaceflight.

17 May

• 1966 - A Voskhod fails to launch an unknown satellite.
• 1966 - An Atlas-Agena fails to launch a target vehicle for Gemini 9.
• 1967 - An R-36 launches the Kosmos 160 satellite.
• 1968 - A Scout B launches the ESRO-2B satellite.
• 1972 - A Voskhod launches the Kosmos 490 satellite.
• 1973 - A Kosmos-2I launches the Kosmos 558 satellite.
• 1974 - A Tsyklon-2 launches the Kosmos 654 satellite.
• 1974 - A Delta 2914 launches the SMS-1 satellite.
• 1974 - A Kosmos-3M launches the Interkosmos-11 satellite.
• 1975 - A Diamant launches the D-5A and D-5B satellites.
• 1977 - A Soyuz-U launches the Kosmos 908 satellite.
• 1978 - A Kosmos-3M launches the Kosmos 1008 satellite.
• 1979 - A Soyuz-U launches the Kosmos 1099 satellite.
• 1982 - A Proton-K launches the Kosmos 1366 satellite.
• 1983 - A Soyuz-U launches the Kosmos 1462 satellite.
• 1984 - A Kosmos-3M launches the Kosmos 1553 satellite.
• 1985 - A Proton-K launches three GLONASS satellites.
• 1988 - An Ariane 2 launches the Intelsat 513 satellite.
• 1989 - A Soyuz-U launches the Kosmos 2020 satellite.
• 1995 - An Ariane 4 launches the Intelsat 706 satellite.
• 1996 - A Pegasus-H launches the MSTI-3 satellite.
• 1998 - A Delta II launches the final five satellites in the original 66-satellite Iridium constellation.
• 2012 - A Soyuz-U launches the Kosmos 2480 reconnaissance satellite.
• 2012 - An H-IIA launches GCOM-W1, KOMPSAT-3 and 2 other satellites.
• 2012 - A Proton-M launches the Nimiq 6 satellite.

18 May

• 1968 - A Thorad-Agena fails to launch the Nimbus-B satellite.
• 1963 - A Thor-Agena launches a CORONA satellite.
• 1964 - A Voskhod launches the Kosmos 30 satellite.
• 1965 - A Thor-Agena launches a CORONA satellite.
• 1967 - A Scout A launches the NNS O-13 satellite.
• 1969 - A Saturn V launches the manned Apollo 10 mission to test the Apollo Lunar Module in selenocentric orbit.
• 1971 - A Voskhod launches the Kosmos 420 satellite.
• 1973 - A Soyuz-U launches the Kosmos 559 satellite.
• 1976 - A Kosmos-2I launches the Kosmos 818 satellite.
• 1981 - A Soyuz-U launches the Kosmos 1270 satellite.
• 1988 - A Soyuz-U launches the Kosmos 1944 satellite.
• 1991 - A Soyuz-U2 launches the manned Soyuz TM-12 mission to Mir, with the first British cosmonaut, Helen Sharman, aboard.
• 1999 - A Pegasus-XL launches the TERRIERS and MUBLCOM satellites.
• 2001 - A Delta II launches the GeoLITE satellite.

19 May

• 1964 - An Atlas-Agena launches an AFP-206 satellite.
• 1966 - A Scout A launches the NNS O-9 satellite.
• 1971 - A Kosmos-2I launches the Kosmos 421 satellite.
• 1971 - A Proton-K launches the Mars 2 probe.
• 1972 - A Molniya-M launches a Molniya-2 satellite.
• 1977 - A Kosmos-3M launches the Kosmos 909 satellite.
• 1978 - A Tsyklon-2 launches the Kosmos 1009 satellite.
• 1981 - A Vostok-2M launches the Kosmos 1271 satellite.
• 1983 - A Kosmos-3M launches the Kosmos 1463 satellite.
• 1983 - An Atlas-Centaur launches the Intelsat 506 satellite.
• 1984 - A Proton-K launches three GLONASS satellites.
• 1987 - A Soyuz-U2 launches the Progress 30 spacecraft to resupply Mir.
• 1988 - A Soyuz-U launches the Kosmos 1945 satellite.
• 1990 - A Proton-K launches three GLONASS satellites.
• 1994 - A Pegasus/HAPS launches the STEP-2 satellite.
• 1996 - Space Shuttle Endeavour launches on mission STS-77.
• 2000 - Space Shuttle Atlantis launches on the STS-101 mission to the ISS.
• 2004 - An Atlas IIAS launches the AMC-11 satellite.
• 2009 - A Minotaur I launches the TacSat-3, PharmaSat, AeroCube 3, HawkSat I and CP6 satellites.

20 May

• 1965 - A Thor-Burner launches the OPS 8386 satellite.
• 1969 - A Voskhod launches the Kosmos 282 satellite.
• 1970 - A Voskhod launches the Kosmos 345 satellite.
• 1970 - A Thorad-Agena launches a CORONA satellite.
• 1972 - A Titan 24B fails to launch a KH-8 satellite.
• 1975 - A Titan IIIC launches two DSCS satellites.
• 1976 - A Voskhod launches the Kosmos 819 satellite.
• 1978 - An Atlas-Centaur launches the Pioneer Venus Orbiter.
• 1980 - A Kosmos-3M launches the Kosmos 1181 satellite.
• 1982 - A Molniya-M launches the Kosmos 1367 satellite.
• 1992 - An ASLV launches the SROSS-C satellite.
• 1994 - A Proton-K launches a Gorizont satellite.
• 1995 - A Proton-K launches the Spektr module of Mir.
• 1997 - A Delta II launches the Thor 2 satellite.
• 1997 - A Zenit-2 fails to launch an unknown satellite.
• 1999 - A Proton-K launches a Nimiq satellite.
• 2001 - The Soyuz-FG makes its maiden flight, launching the Progress M1-6 spacecraft to resupply the International Space Station.
• 2004 - A Taurus launches the ROCSAT-2 satellite.
• 2005 - A Delta II launches the NOAA 18 satellite.
• 2010 - An H-IIA launches the Akatsuki Venus orbiter and 5 cubesats.
• 2011 - A Proton-M launches the Telstar 14R satellite.
• 2011 - An Ariane 5ECA launches the ST-2 and GSAT-8 satellites.

21 May

• 1973 - A Diamant-B fails to launch the D-5A and D-5B satellites.
• 1974 - A Kosmos-3M launches the Kosmos 655 satellite.
• 1975 - A Voskhod launches the Kosmos 731 satellite.
• 1976 - A Soyuz-U launches the Kosmos 820 satellite.
• 1981 - A Soyuz-U launches the Kosmos 1272 satellite.
• 1982 - A Soyuz-U launches the Kosmos 1368 satellite.
• 1986 - A Soyuz-U2 launches the unmanned Soyuz TM-1 test mission.
• 1986 - A Soyuz-U launches the Kosmos 1744 satellite.
• 1987 - A Soyuz-U launches the Kosmos 1846 satellite.
• 1988 - A Proton-K launches three GLONASS satellites.
• 1991 - A Soyuz-U launches a Resurs-F satellite.
• 1993 - A Soyuz-U launches a Resurs-F satellite.
• 2008 - A Zenit-3SL launches the Galaxy 18 satellite.
• 2009 - A Soyuz-2.1a/Fregat places the Meridian 2 satellite into a lower than planned orbit after an upper stage malfunction caused by human error.
• 2010 - An Ariane 5ECA launches the Astra 3B and COMSATBw-2 satellites.

22 May

• 1963 - A Kosmos-2I launches the Kosmos 17 satellite.
• 1967 - A Voskhod launches the Kosmos 161 satellite.
• 1967 - An Atlas-Agena launches an AFP-206 satellite.
• 1969 - A Delta M launches the Intelsat-3F4 satellite.
• 1970 - A Kosmos-2I fails to launch an unknown satellite.
• 1971 - A Kosmos-3M launches the Kosmos 422 satellite.
• 1975 - An Atlas-Centaur launches the Intelsat-4F1 satellite.
• 1976 - A Scout B-1 launches the P76-5 satellite.
• 1979 - A Proton-K launches two satellites.
• 1981 - A Soyuz-U launches the Kosmos 1273 satellite.
• 1981 - A Delta 3914 launches the GOES 5 satellite.
• 1984 - A Soyuz-U launches the Kosmos 1557 satellite.
• 1985 - A Soyuz-U launches the Kosmos 1653 satellite.
• 1990 - A Zenit-2 launches the Kosmos 2082 satellite.
• 1993 - A Soyuz-U2 launches the Progress M-18 spacecraft to resupply the Mir Space Station.
• 1994 - A Soyuz-U launches the Progress M-23 spacecraft to resupply the Mir Space Station.
• 1999 - A Titan IVB launches the USA-144 satellite.
• 2005 - A Proton-M launches the DirecTV-8 satellite.
• 2012 - A Falcon 9 launches Dragon C2+, the first commercially operated logistics spacecraft to the ISS.

23 May

• 1968 - A Thor-Burner launches the DAPP 5421 satellite.
• 1969 - A Titan IIIC launches the Vela 5A and 5B satellites.
• 1973 - A Voskhod launches the Kosmos 560 satellite.
• 1974 - A Soyuz-U fails to launch an unknown satellite.
• 1977 - A Tsyklon-2 launches the Kosmos 910 satellite.
• 1977 - An Atlas-Agena launches an AFP-827 satellite.
• 1978 - A Soyuz-U launches the Kosmos 1010 satellite.
• 1978 - A Kosmos-3M launches the Kosmos 1011 satellite.
• 1980 - An Ariane 1 fails to launch the Firewheel satellite.
• 1980 - A Soyuz-U launches the Kosmos 1182 satellite.
• 1981 - An Atlas-Centaur launches the Intelsat 501 satellite.
• 1982 - A Soyuz-U launches the Progress 13 spacecraft to resupply the Salyut 7 Space Station.
• 1984 - An Ariane 1 launches the Spacenet-1 satellite.
• 1985 - A Soyuz-U launches the Kosmos 1654 satellite.
• 1986 - A Kosmos-3M launches the Kosmos 1745 satellite.
• 1995 - An Atlas I launches the GOES 9 satellite.
• 2008 - A Rokot launches three Gonets satellites and Yubileiny.

24 May

• 1960 - An Atlas-Agena launches the Midas 2 satellite.
• 1961 - A Juno II fails to launch the S-45A satellite.
• 1962 - A Scout X-2 fails to launch the FTV 3501 satellite.
• 1962 - An Atlas LV-3B launches the manned Mercury-Atlas 7 mission.
• 1963 - A Vostok-2 launches the Kosmos 18 satellite.
• 1966 - A Thor-Agena launches a CORONA satellite.
• 1966 - A Kosmos-2I launches the Kosmos 119 satellite.
• 1967 - A Delta E launches the Explorer 34 spacecraft.
• 1967 - A Molniya-M launches a Molniya-1 satellite.
• 1968 - A Kosmos-2I launches the Kosmos 221 satellite.
• 1975 - A Thor-Burner launches the DMSP 10533 satellite.
• 1975 - A Soyuz launches the manned Soyuz 18 mission to Salyut 4.
• 1983 - A Kosmos-3M launches the Kosmos 1464 satellite.
• 1986 - A Proton-K launches an Ekran satellite.
• 1989 - A Soyuz-U launches the Kosmos 2021 satellite.
• 1991 - A Soyuz-U launches the Kosmos 2149 satellite.
• 1995 - A Molniya-M launches the Kosmos 2312 satellite.
• 1996 - A Delta II launches the Galaxy 9 satellite.
• 1997 - A Proton-K launches the Telstar 5 satellite.
• 2000 - An Atlas III launches the Eutelsat W4 satellite.
• 2003 - A Long March 3A launches a Beidou satellite.
• 2006 - A Delta IV launches the GOES 13 satellite.

25 May

• 1961 - In a famous speech before the United States Congress, President Kennedy announced his support for Project Apollo.
• 1965 - A Saturn I launches the A-104 and Pegasus 2 spacecraft.
• 1965 - A Voskhod launches the Kosmos 67 satellite.
• 1966 - A Delta C launches the Explorer 32 spacecraft.
• 1972 - A Voskhod launches the Kosmos 491 satellite.
• 1972 - A Thorad-Agena launches a CORONA satellite.
• 1973 - A Kosmos-3M fails to launch an unknown satellite.
• 1973 - A Saturn IB launches the manned Skylab 2 mission.
• 1973 - A Voskhod launches the Kosmos 561 satellite.
• 1977 - A Kosmos-3M launches the Kosmos 911 satellite.
• 1978 - A Soyuz-U launches the Kosmos 1012 satellite.
• 1979 - A Soyuz-U launches the Kosmos 1102 satellite.
• 1982 - A Soyuz-U launches the Kosmos 1369 satellite.
• 1984 - A Soyuz-U launches the Kosmos 1558 satellite.
• 1989 - A Soyuz-U launches a Resurs-F satellite.
• 1994 - A Tsyklon-3 fails to launch an unknown satellite.
• 1996 - A Proton-K launches a Gorizont satellite.
• 2004 - A Soyuz-U launches the Progress M-49 spacecraft to resupply the ISS.
• 2007 - A Long March 2D conducts China's 100^th successful orbital launch, with the Yaogan 2 satellite.
• 2008 - The Phoenix robotic spacecraft lands on Mars.
• 2013 - A Delta IV launches USA-243 for the Wideband Global SATCOM system.

26 May

• 1976 - A Voskhod launches the Kosmos 821 satellite.
• 1977 - A Soyuz-U launches the Kosmos 912 satellite.
• 1977 - An Atlas-Centaur launches the Intelsat 4AF4 satellite.
• 1980 - A Soyuz-U launches the manned Soyuz 36 mission to Salyut 6.
• 1983 - A Kosmos-3M launches the Kosmos 1465 satellite.
• 1983 - A Soyuz-U launches the Kosmos 1466 satellite.
• 1983 - A Delta 3914 launches the Exosat satellite.
• 1987 - A Soyuz-U launches the Kosmos 1847 satellite.
• 1988 - A Molniya-M launches a Molniya-3 satellite.
• 1993 - A Molniya-M launches a Molniya-1 satellite.
• 1999 - A PSLV launches the IRS P4 satellite.
• 2006 - A Shtil' launches the Kompass-2 satellite.
• 2012 - A Long March 3B launches the ChinaSat-2A satellite.

27 May

• 1965 - An Atlas-Agena launches an AFP-206 satellite.
• 1969 - A Kosmos-2I launches the Kosmos 283 satellite.
• 1971 - A Kosmos-2I launches the Kosmos 423 satellite.
• 1974 - A Soyuz launches the Kosmos 656 satellite.
• 1978 - A Proton-K fails to launch an unknown satellite.
• 1986 - A Tsyklon-3 launches a Meteor satellite.
• 1993 - A Proton-K fails to launch a Gorizont satellite.
• 1999 - Space Shuttle Discovery launches on mission STS-96 to the ISS.
• 2006 - An Ariane 5ECA launches the Satmex 6 and Thaicom 5 satellites.
• 2008 - A Long March 4C launches the FY-3A weather satellite.
• 2009 - A Soyuz-FG launches Soyuz TMA-15, with the Expedition 20 crew of the ISS, to establish the first six-man crew on the station.

28 May

• 1958 - A Vanguard fails to launch a Vanguard satellite.
• 1962 - A Kosmos-2I launches the Kosmos 5 satellite.
• 1964 - A Saturn I launches the A-101 boilerplate Apollo spacecraft.
• 1965 - An Atlas D fails to launch the OV1-3 satellite.
• 1971 - A Voskhod launches the Kosmos 424 satellite.
• 1971 - A Proton-K launches the Mars 3 probe.
• 1975 - A Kosmos-3M launches the eight satellites.
• 1975 - A Voskhod launches the Kosmos 740 satellite.
• 1976 - A Kosmos-3M launches the Kosmos 822 satellite.
• 1979 - A Titan 24B launches a KH-8 satellite.
• 1980 - A Soyuz-U launches the Kosmos 1183 satellite.
• 1982 - A Soyuz-U launches the Kosmos 1370 satellite.
• 1982 - A Molniya-M launches a Molniya-1 satellite.
• 1984 - A Soyuz-U launches the Progress 22 spacecraft to resupply Salyut 7.
• 1984 - A Kosmos-3M launches eight satellites.
• 1986 - A Soyuz-U launches the Kosmos 1746 satellite.
• 1987 - A Soyuz-U launches the Kosmos 1848 satellite.
• 1988 - A Tsyklon-2 launches the Kosmos 1949 satellite.
• 1992 - A Soyuz-U launches the Kosmos 2186 satellite.
• 2002 - A Shavit launches the Ofek-5 satellite.
• 2002 - A Kosmos-3M launches the Kosmos 2389 satellite.
• 2004 - A Tsyklon-2 launches the Kosmos 2405 satellite.
• 2010 - A Delta IV launches the GPS IIF-1 navigation satellite.
• 2013 - A Soyuz-FG launches Soyuz TMA-09M, carrying three of the Expedition 36 crew to the ISS.
• 2014 - A Soyuz-FG launches Soyuz TMA-13M, carrying three of the Expedition 40 crew to the ISS.

29 May

• 1965 - A Delta C launches the Explorer 28 spacecraft.
• 1969 - A Voskhod launches the Kosmos 284 satellite.
• 1971 - A Kosmos-3M launches the Kosmos 425 satellite.
• 1973 - A Vostok-2M launches a Meteor satellite.
• 1974 - A Proton-K launches the Luna 22 probe.
• 1980 - An Atlas E/F launches the NOAA-B satellite.
• 1985 - A Molniya-M launches a Molniya-3 satellite.
• 1986 - A Soyuz-U launches the Kosmos 1747 satellite.
• 1990 - A Soyuz-U launches a Resurs-F satellite.
• 1991 - A Delta II launches the Aurora 2 satellite.
• 2001 - A Soyuz-U launches the Kosmos 2377 satellite.
• 2007 - A Soyuz-FG launches four Globalstar satellites.
• 2012 - A Long March 4C launches the Yaogan 15 satellite.

30 May

• 1962 - A Thor-Agena launches a CORONA satellite.
• 1966 - An Atlas-Centaur launches the Surveyor 1 probe.
• 1967 - A Scout B fails to launch the ESRO 2A satellite.
• 1968 - A Kosmos-2I launches the Kosmos 222 satellite.
• 1971 - An Atlas-Centaur launches the Mariner 9 probe.
• 1974 - A Voskhod launches the Kosmos 657 satellite.
• 1974 - A Titan IIIC launches the ATS-6 spacecraft.
• 1975 - A Voskhod launches the Kosmos 741 satellite.
• 1977 - A Kosmos-3M launches the Kosmos 913 satellite.
• 1984 - A Tsyklon-2 launches the Kosmos 1567 satellite.
• 1985 - A Kosmos-3M launches the Kosmos 1655 satellite.
• 1985 - A Proton-K launches the Kosmos 1656 satellite.
• 1988 - A Tsyklon-3 launches the Kosmos 1950 satellite.
• 1991 - A Soyuz-U2 launches the Progress M-8 spacecraft to resupply the Mir Space Station.
• 1998 - A Long March 3B launches the ChinaSat-1 satellite.

31 May

• 1967 - A Thor-Agena launches the NRL Composite 6 satellite.
• 1977 - A Soyuz-U launches the Kosmos 914 satellite.
• 1979 - A Soyuz-U launches the Kosmos 1103 satellite.
• 1979 - A Kosmos-3M launches the Kosmos 1104 satellite.
• 1981 - An SLV launches the RS-D-1 satellite.
• 1983 - A Soyuz-U launches the Kosmos 1467 satellite.
• 1986 - An Ariane 2 fails to launch the Intelsat 514 satellite.
• 1988 - A Soyuz-U launches the Kosmos 1951 satellite.
• 1989 - A Proton-K launches three GLONASS satellite.
• 1990 - A Proton-K launches the Kristall module of Mir.
• 1995 - An Atlas II launches the USA-111 satellite.
• 2005 - A Soyuz-U launches the Foton-M2 satellite.
• 2007 - A Long March 3A launches the Sinosat-3 satellite.
• 2008 - Space Shuttle Discovery launches on mission STS-124 to deliver the Japanese Experiment Module PM to the ISS