First American Space walk: Ed White spacewalking, 1965. Gemini 4 astronaut, Ed White, made the first space walk or EVA (extra vehicular activity) by an American. He spent more than 20 minutes outside his spacecraft. The 'umbilical cord' connecting him to the capsule supplied him with oxygen, and he held a rocket gun which he fired to help him move around in the vacuum of space. Gemini 4, crewed by James McDivitt and White, was launched on 3 June 1965 and completed 62 earth orbits.
First American Space walk - Ed White


First Tetherless Space walk: Astronaut Bruce McCandless on the first space walk using the Manned Maneuvering Unit (MMU), 1984. The MMU's small gas thrusters enable McCandless to move outside Space Shuttle Challenger without a tether, during mission 41-B (STS-10) in February 1984.
First Tetherless Space walk - Bruce McCandless


Shuttle astronauts on Extra Vehicular Activity (EVA), Atlantis, 1985. Astronauts Woody Spring and Jerry Ross are shown during EVA in the cargo bay of Atlantis. They are assembling EASE (Experimental Assembly of Structures in Extravehicular Activity). This is one of the experiments that studied space construction techniques in preparation for the building of the international space station at the beginning of the next century. Space Shuttle Mission 61-B was launched on 26 November 1985 and was the second flight of Atlantis.
EVA Space Walk


A self-portrait by an astronaut: The helmet's visor (a solar shield protected with a vapor-deposited gold thinfilm) shows reflections of the Earth, the space shuttle's remote control arm, and the camera that took the picture in the astronaut's hands.
Reflection


Mission specialists James H. Newman and Jerry L. Ross (out of frame) shared three separate space walks to prepare for the building of the International Space Station.
Building the ISS

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