Russian Space Forces
| Russia
Plesetsk Cosmodrome, Russian Federation April 29, 1975, 10:23 a.m.
Status: Launch Successful
Mission:
The Molniya were Soviet communication satellites operating from an inclined highly elliptical earth orbit of 500 km × 40000 km with 12 hour period for coverage of high northern latitudes.
Soviet Space Program
| Russia
Plesetsk Cosmodrome, Russian Federation April 18, 1975, 10 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.