Astronaut Edward White performed the first American spacewalk during the Gemini 4 mission on June 3, 1965.

Ed White, pilot of the Gemini 4 four-day Earth-orbital mission, floats in the zero gravity of space outside the Gemini 4 spacecraft. Edward wears a specially designed spacesuit; and the visor of the helmet is gold plated to protect him against the unfiltered rays of the sun. He wears an emergency oxygen pack, also. He is secured to the spacecraft by a 25-feet umbilical line and a 23-feet tether line, both wrapped in gold tape to form one cord. In his right hand is a Hand-Held Self-Maneuvering Unit with which he controls his movements in space.

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