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

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. “Hoot”

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

STS-51I - NASA

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Buck and Flash”: Remembering the First Flights of the Manned Maneuvering Unit (MMU), Forty Years On - AmericaSpace

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

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

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Shimano Ultegra SM-BB72-41B PressFit Bottom Bracket - Components

Ultegra SM-BB72-41B PressFit Bottom Bracket