The Inside Story of the First Untethered Spacewalk. On February 7, 1984, astronaut Bruce McCandless ventured out into space and away from shuttle Challenger using only a nitrogen-propelled, hand-controlled backpack.
Astronaut Bruce McCandless Performs the First Untethered Spacewalk
The Iconic Photos from STS-41B: Documenting the First Untethered Spacewalk
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