Space Programs

First Humans in Space

Who was the first American astronaut to walk in space?

A few months after Leonov became the first person to walk in space, astronaut Ed White (1930–1967) undertook the first American spacewalk on June 3, 1965. For twenty-one minutes, White remained outside the Gemini 4 capsule attached to a tether, while his shipmate James McDivitt (1929–) looked on from inside the capsule.


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