Russian Space Forces
| Russia
Plesetsk Cosmodrome, Russian Federation May 21, 1974, 6:15 a.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.