How long did Buzz Aldrin work outside the spacecraft in November 1966 ?
Focused by the commitment to a moon landing , in January 1962 the US introduced Project Gemini , a two - crew - member spacecraft that would support Apollo by developing the key spaceflight technologies of space rendezvous and docking of two craft , flight durations of sufficient length to simulate going to the Moon and back , Extra-vehicular Activity for extended periods , and accomplishing useful work rather than just " walking in space . "