launched from Russia

Soyuz 25

Success
OCT 09197702:40:00 UTC

Manned orbital flight, 2 cosmonauts.

Failed to dock with Salyut 6.

launched from Pad 1/5 Baikonur

aboard Soyuz U into LEO

Payload

Soyuz 25

Crew

Ascending
  • 01 Vladimir Kovalyonok from Russia
  • 02 Valery Ryumin from Russia
Descending
  • 01 Vladimir Kovalyonok from Russia
  • 02 Valery Ryumin from Russia

Docking

attempted to dock with Salyut 6

returned to Earth Oct 11, 1977

Docking failed — after soft contact at Salyut 6's forward port, Soyuz 25's own docking probe wouldn't retract to a hard dock. The station port was undamaged and used by later crews.