The Gemini Program 1962 - 1965.

Project Gemini began in 1962. It consisted of twelve missions into space, ten of them manned. The overall goals of the program were to see if a human could survive being in space for periods of up to two weeks. This was necessary to find out if man could make the trip to the moon.
Gemini 1
Gemini 2
Gemini 3
Gemini 4
Gemini 5
Gemini 6
Gemini 7
Gemini 8
Gemini 9
Gemini 10
Gemini 11
Gemini 12