Astronaut Ed White performs a spacewalk during Project Gemini, In Space, 1968

Footage taken from outer space shows a NASA astronaut Ed White performing a space walk during Project Gemini. Earth is shown directly below. Later, the astronaut approaches a spacecraft. Lastly, a piece of the spacecraft floats in space. In Space, 1968. Project Gemini was the second United States human spaceflight program to fly. Conducted after the first American crewed space program, Project Mercury, while the Apollo program was still in early development, Gemini was conceived in 1961 and concluded in 1966. The Gemini spacecraft carried a two-astronaut crew. Ten Gemini crews and 16 individual astronauts flew low Earth orbit (LEO) missions during 1965 and 1966.