Progress 21
1 linked mission records
← Soyuz U | Progress 21
Image from the mission source record; may show an earlier flight.
spacecraft
Mission stages
1 linked recordSoyuz U | Progress 21
Launch Successful
The source has not linked another mission stage.
What changed between flights?
Previous recorded flight of the same rocket configuration: Zenit-6U 94, Apr 19, 1984, 11:40 AM UTC.
| Field | Previous flight | This flight |
|---|---|---|
| Mission | Zenit-6U 94 | Soyuz U | Progress 21Different |
| Purpose | Government/Top Secret | — |
| Orbit | Low Earth Orbit | — |
| Launch site | Plesetsk Cosmodrome, Russian Federation | Baikonur Cosmodrome, Republic of KazakhstanDifferent |
| Vehicle | Soyuz U | Soyuz U |
| Spacecraft | — | Progress 21 (No.121) |
| Booster | — | — |