Soyuz 27 carried Salyut 6 EP-1 mission to the Salyut 6 space station. The mission began on January 10, 1978, 12:26:00 UTC, launching Commander Vladimir Dzhanibekov and Flight Engineer Oleg Makarov into orbit. They docked with the station the next day. During their 5-day stay on the station, crew performed various scientific and technological experiments. EP-1 crew swapped vehicles with the Soyuz 26 (EO-1 expedition) crew, which allowed for a longer stay in orbit for EO-1. EP-1 crew returned in the Soyuz 26 spacecraft, landing safely back on Earth on January 16, 1978, 11:24:58 UTC.
Soyuz 27 was a Soyuz spacecraft which launched on 10 January 1978 12:26 UTC. It transported two cosmonauts of EP-1 to Salyut 6. The crew was Vladimir Dzhanibekov and Oleg Makarov. It also transported down the two cosmonauts from EO-1.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