STS-41B, First Flight of Manned Maneuvering Unit

On Feb. 3, 1984, space shuttle Challenger took off on its fourth flight, STS-41B. Its five-person crew of Commander Vance D. Brand, Pilot Robert L
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STS-41B, First Flight of Manned Maneuvering Unit

sts-41b Space Patch Database

NASA STS-41B Mission, February 1984: NASA Astronaut Robert L. Stewart, photographed from NASA's Space Shuttle Challenger, floats above Earth -- untethered -- during an extravehicular activity (EVA). : r/BeAmazed

Bruce mccandless ii hi-res stock photography and images - Alamy

40 Years Ago: STS-41B, the First Flight of the Manned Maneuvering Unit - NASA

STS-41B Fact Sheet

NASA astronaut, 1st to fly untethered in space, dies at 80

40 Years Ago: STS-41B, the First Flight of the Manned Maneuvering Unit - NASA

Manned Maneuvering Unit National Air and Space Museum