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At about 100 meters from the cargo bay of the space shuttle Challenger, Bruce McCandless II was further out than anyone had ever been before. Guided by a Manned Maneuvering Unit (MMU), astronaut McCandless, pictured above, was floating free in space. McCandless and fellow NASA astronaut Robert Stewart were the first to experience such an "untethered space walk" during Space Shuttle mission 41-B in 1984. The MMU was later replaced with the SAFER backpack propulsion unit.

ISO50 Blog - The Blog of Scott Hansen (Tycho / ISO50)from ISO50 Blog - The Blog of Scott Hansen (Tycho / ISO50)

NASA Commons

Edward White II Gemini 4 EVA Spacewalk. Ed White First American Spacewalker Full Description: On June 3, 1965 Edward H. White II became the first American to step outside his spacecraft and let go, effectively setting himself adrift in the zero gravity of space. For 23 minutes White floated and maneuvered himself around the Gemini spacecraft while logging 6500 miles during his orbital stroll.

Wow! Soyuz Parachute laptop bag: Recycled from space! This bag was made using a piece of the re-entry parachute from the Soyuz TM-8 mission. Flown in space to the Mir space station from 9/5/09 to 2/19/90.