Recorded mission

Watch

Soviet Space Program

Soyuz U | Soyuz 25

Launch Successful
Soyuz U | Soyuz 25

Recorded mission coverage

Open source

Playing a video connects to YouTube. Coverage may be scheduled, live or recorded. If a player is unavailable, use “Open source”.

Mission brief

The flight at a glance.

Soyuz 25 was meant to be the first crewed flight to the new Salyut 6 space station. The mission began on October 9, 1977, 02:40:35 UTC, launching Commander Vladimir Kovalyonok and Flight Engineer Valery Rumin into orbit. However, they failed to dock with the station despite five attempts, and had to abort the mission. The mission concluded with a safe landing back on Earth on October 11, 1977, 03:25:20 UTC.

Open the full mission →

Published flight sequence

Know what comes next.

Planned timings relative to the target. These steps do not indicate live progress.

A flight sequence has not been published for this mission.