Soviet Space Program
| Russia
Plesetsk Cosmodrome, Russian Federation Feb. 18, 1971, 1:59 p.m.
Status: Launch Successful
Mission:
The soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.
Russian Space Forces
| Russia
Plesetsk Cosmodrome, Russian Federation Feb. 17, 1971, 9:09 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.