Baikonur Site 31, also known as Site 31/6 at the

Baikonur Cosmodrome The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to R ...

, in

Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a transcontinental country located mainly in Central Asia and partly in Eastern Europe. It borders Russia to the north and west, China to the east, Kyrgyzstan to the southeast, Uzbeki ...

, is a launch site used by derivatives of the

R-7 Semyorka The R-7 Semyorka (russian: link=no, Р-7 Семёрка), officially the GRAU index 8K71, was a Soviet missile developed during the Cold War, and the world's first intercontinental ballistic missile. The R-7 made 28 launches between 1957 and 1 ...

missile. From 2011 onwards, it was supposed to be the launch site for crewed

Soyuz Soyuz is a transliteration of the Cyrillic text Союз (Russian and Ukrainian, 'Union'). It can refer to any union, such as a trade union (''profsoyuz'') or the Union of Soviet Socialist Republics (Сою́з Сове́тских Социалис� ...

missions to the

International Space Station The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA ...

, when launches switched from the

Soyuz-FG The Soyuz-FG launch vehicle was an improved version of the Soyuz-U from the R-7 family of rockets, designed and constructed by TsSKB-Progress in Samara, Russia. Guidance, navigation, and control system was developed and manufactured by "Polisv ...

launch vehicle A launch vehicle or carrier rocket is a rocket designed to carry a payload (spacecraft or satellites) from the Earth's surface to outer space. Most launch vehicles operate from a launch pad, launch pads, supported by a missile launch contro ...

to the

Soyuz-2 Soyuz-2 (GRAU index 14A14) is a modernized version of the Soviet Soyuz rocket. In its basic form, it is a three-stage launch vehicle for placing payloads into low Earth orbit. Compared to the previous versions of the Soyuz, the first-stage bo ...

, which was unable to use the launch pad at Site 1/5. However, Site 1/5 has undergone modifications that allow the crewed ISS missions to be launched from it. Only a few crewed missions to the International Space Station (ISS) are launched from Site 31/6 (

Soyuz TMA-06M Soyuz TMA-06M was a spaceflight to the International Space Station launched on 23 October 2012, transporting three members of the Expedition 33 crew. TMA-06M was the 115th flight of a Soyuz spacecraft, the first flight launching in 1967. Soyuz TM ...

Soyuz TMA-15M Soyuz TMA-15M was a 2014 flight to the International Space Station. It transported three members of the Expedition 42 crew to the International Space Station. TMA-15M was the 124th flight of a Soyuz spacecraft, the first flight launching in 1967. ...

Soyuz MS-02 Soyuz MS-02 was a 2016 Soyuz spaceflight that was planned for a 23 September 2016 launch, but because of technical difficulties it launched on 19 October 2016. It transported three members of the Expedition 49 crew to orbit and docked with th ...

), when Site 1/5 is unavailable. It was first used on 14 January 1961, for an R-7A

ICBM An intercontinental ballistic missile (ICBM) is a ballistic missile with a range greater than , primarily designed for nuclear weapons delivery (delivering one or more thermonuclear warheads). Conventional, chemical, and biological weapons c ...

test mission. It is currently used for commercial

Fregat Fregat (russian: Фрегат, ''frigate'') is an upper stage developed by NPO Lavochkin in the 1990s, which is used in some Soyuz and Zenit launch vehicles, but is universal and can be used as a part of a medium and heavy class launch vehicles ...

missions, and

launches. In the 1970s and early 1980s, several crewed missions were launched from the site. Baikonur Cosmodrome site 31

See also

References

Further reading