On June 3, 1965, Edward H. White II became the first American to step outside his spacecraft and let go. For almost a half hour, White floated in space … weightless. We look back on that day in time, and find out why its such an important moment in space exploration.

Astronaut Ed White, who performed the first US spacewalk on June 3rd 1965, as part of the Gemini IV mission.
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NASA
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