Russian Space Forces
| Russia
Plesetsk Cosmodrome, Russian Federation March 24, 1977, 10:11 p.m.
Status: Launch Successful
Mission:
The Tselina-O (11F616) was one component of two-satellite Tselina ELINT satellite system. Tselina-O provided general ELINT surveillance to be examined in detail by the larger Tselina-D satellites.
Russian Federal Space Agency (ROSCOSMOS)
| Russia
Plesetsk Cosmodrome, Russian Federation March 17, 1977, 8:30 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.