Progress M-21
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Progress M-21 () was a Russian unmanned
Progress Progress is movement towards a perceived refined, improved, or otherwise desired state. It is central to the philosophy of progressivism, which interprets progress as the set of advancements in technology, science, and social organization effic ...
cargo spacecraft, which was launched in January 1994 to resupply the
Mir ''Mir'' (, ; ) was a space station operated in low Earth orbit from 1986 to 2001, first by the Soviet Union and later by the Russia, Russian Federation. ''Mir'' was the first modular space station and was assembled in orbit from 1986 to ...
space station.


Launch

Progress M-21 launched on 28 January 1994 from the
Baikonur Cosmodrome The Baikonur Cosmodrome is a spaceport operated by Russia within Kazakhstan. Located in the Kazakh city of Baikonur, it is the largest operational space launch facility in terms of area. All Russian Human spaceflight, crewed spaceflights are l ...
in
Kazakhstan Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...
. It used a
Soyuz-U Soyuz-U ( GRAU index: 11A511U) was a Soviet and later Russian expendable medium-lift launch vehicle designed by the TsSKB design bureau and constructed at the Progress factory in Samara, Russia. The ''U'' designation stands for ''unified' ...
rocket.


Docking

Progress M-21 docked with the aft port of the
Kvant-1 Kvant-1 (; English: Quantum-I/1) (37KE) was the first module to be attached in 1987 to the Mir Core Module, which formed the core of the Soviet space station ''Mir''. It remained attached to ''Mir'' until the entire space station was deorbited i ...
module of Mir on 30 January 1994 at 03:56:13 UTC, and was undocked on 23 March 1994 at 01:20:29 UTC.


Decay

It remained in orbit until 23 March 1994, when it was deorbited. The deorbit burn occurred at 04:23 UTC, and the mission ended at 05:13 UTC.


See also

*
1994 in spaceflight This article outlines notable events occurring in 1994 in spaceflight Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on ...
*
List of Progress missions This is a list of missions conducted by Progress automated spacecraft. Progress is an uncrewed Russian (previously Soviet) cargo spacecraft which has been used since 1978 to deliver supplies to Soviet space stations Salyut 6, Salyut 7, Mir ...
*
List of uncrewed spaceflights to Mir This is a list of uncrewed spaceflights to Mir. Components of the space station are indicated in green. *A. - Time from docking until debris impact in the Pacific Ocean at approximately 05:59 GMT on 23 March 2001. *B. - From time of launch *C. ...


References

Progress (spacecraft) missions 1994 in Kazakhstan Spacecraft launched in 1994 Spacecraft which reentered in 1994 Spacecraft launched by Soyuz-U rockets {{Russia-spacecraft-stub