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.
Soyuz 25 was a Soyuz spacecraft which launched on 9 October 1977 02:40 UTC. It transported two cosmonauts to Salyut 6. Soyuz 25 was the first flight to the new Salyut 6 Space Station, but the craft failed to dock. The crew was Vladimir Kovalyonok and Valery Ryumin.Soyuz Details
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.INFO WIKI