The Luch or Altair satellites were the first generation of Soviet and later Russian data relay satellites. These satellites provided communications service to the Mir space station, Buran space shuttle, Soyuz-TM spacecraft, military satellites and the TsUPK ground control center.

Mission type: Communications · Orbit: Geostationary Orbit

Rocket: Proton · Provider: Khrunichev State Research and Production Space Center