America’s First Spacewalk

NASA astronaut Ed White, pilot of the Gemini IV mission, floats in space on June 3, 1965, while performing the first spacewalk by an American. As White floated outside the spacecraft, he used a Hand-Held Maneuvering Unit, informally called a “zip gun.” The device, seen in White’s right hand in this image, expelled pressurized oxygen […]

SINSIN
Jun 4, 2025 - 03:00
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America’s First Spacewalk
An astronaut in a spacesuit floats almost upside down outside of a spacecraft. Earth's blue water and white clouds are behind the astronaut.
NASA

NASA astronaut Ed White, pilot of the Gemini IV mission, floats in space on June 3, 1965, while performing the first spacewalk by an American. As White floated outside the spacecraft, he used a Hand-Held Maneuvering Unit, informally called a “zip gun.” The device, seen in White’s right hand in this image, expelled pressurized oxygen to provide thrust for controlling his movements outside the capsule.

“You look beautiful, Ed,” remarked fellow crew member astronaut James A. McDivitt, who remained inside the spacecraft, as he began taking pictures of White tumbling around outside his window. “I feel like a million dollars,” White said. “This is the greatest experience. It’s just tremendous.”

Watch video of the first American spacewalk.

Image credit: NASA

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