The Strela-2 satellites were prototypes of the second component of the Strela store-dump communication system. It consisted of larger single satellites.
The Kosmos rockets were a series of Soviet and subsequently Russian rockets, derived from the R-12 and R-14 missiles.
The Strategic Rocket Forces of the Russian Federation are a separate-troops branch of the Russian Armed Forces that control Russia's land-based intercontinental ballistic missiles (ICBMs).
WIKI