Proton-K/DM | US-KS 3

Geostationary early warning satellite

Mission Details

  • Launch date: February 21, 1985 at 07:56 AM UTC
  • Launch vehicle: Proton-K/DM
  • Operator: Soviet Space Program
  • Launch site: Baikonur Cosmodrome, Republic of Kazakhstan
  • Mission type: Government/Top Secret