Progress 21
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Progress 21 ( ) was a Soviet uncrewed Progress cargo spacecraft, which was launched in May 1984 to resupply the Salyut 7 space station.
Progress 21 ( ) was a Soviet uncrewed Progress cargo spacecraft, which was launched in May 1984 to resupply the Salyut 7 space station. ==Launch== Progress 21 launched on 7 May 1984 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket. ==Docking== Progress 21 docked with the aft port of Salyut 7 on 10 May 1984 at 00:10 UTC, and was undocked on 26 May 1984 at 09:41 UTC. ==Decay== It remained in orbit until 26 May 1984, when it was deorbited. The deorbit burn occurred at 15:00:30 UTC, with the mission ending at around 15:45 UTC. ==See also== 1984 in spaceflight List of Progress missions List of uncrewed spaceflights to Salyut space stations ==References==
Text derived from https://en.wikipedia.org/w/index.php?oldid=1347418899 under CC BY-SA 4.0; modifications have been made.