S80-36844 (24 July 1980) --- Manned Maneuvering Unit (MMU) development at the Martin Marietta plant in Denver, Colorado. View shows MMU prototype with astronaut AnnaL. Fisher serving as test subject strapped in to it. Photo credit: NASA
S80-36844 (24 July 1980) --- Manned Maneuvering Unit (MMU) development at the Martin Marietta plant in Denver, Colorado. View shows MMU prototype with astronaut AnnaL. Fisher serving as test subject strapped in to it. Photo credit: NASA