STS-41B - NASA

On this mission the first untethered space walks were carried out by McCandless and Stewart, using the manned maneuvering unit. 

Bruce McCandless During the EVA Original NASA Photo

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NASA, Historic mission of the space shuttle Challenger (STS 41B) (1984)

Vintage Circa 1980's to 1990's Space Shuttle Challenger STS-41B NASA Collectible Crew Patch

STS-41B NASA Space Shuttle Astronaut ROBERT GIBSON 1984 Cover ZARELLI LOA !!

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