Russian Federal Space Agency (ROSCOSMOS)
| Russia
Baikonur Cosmodrome, Republic of Kazakhstan May 31, 1977, 7:30 a.m.
Status: Launch Successful
Mission:
The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.
Russian Space Forces
| Russia
Plesetsk Cosmodrome, Russian Federation May 25, 1977, 11 a.m.
Status: Launch Successful
Mission:
The Sfera or Geoid series were the first soviet geodetic satellites to improve the accuracy of maps. The development of the satellites started in 1965 at NPO-PM.