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Apollo ran from 1961 to 1972, and was supported by the two-man Gemini program which ran concurrently with it from 1962 to 1966.

Gemini missions developed some of the space travel techniques that were necessary for the success of the Apollo missions.

Apollo used Saturn family rockets as launch vehicles.

Apollo / Saturn vehicles were also used for an Apollo Applications program which consisted of three Skylab space station missions in 1973 – 74.