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

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”

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

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

PPT - MMU PowerPoint Presentation, free download - ID:9183379

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

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

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

The Iconic Photos from STS-41B: Documenting the First Untethered Spacewalk - NASA

STS-41C - NASA