Cosmos 2 was the first 1MS satellite. It re-entered the atmosphere on August 19, 1963.
Kosmos-2I is the designation applied to two Soviet carrier rockets which were used to orbit satellites between 1961 and 1977.
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