First Untethered Spacewalk. Astronaut Bruce McCandless II approaches his maximum distance from the Earth-orbiting Space Shuttle Challenger in this photo by his fellow crewmembers is in the midst of the first 'field' tryout of the nitrogen-propelled, hand-controlled backpack device called the manned manoeuvring unit (MMU). 7 February 1984 An optimised and enhanced version of an original NASA image / mandatory credit: NASA

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Size: 5735px × 7382px
Location: Earth's orbit
Photo credit: © NASA / digitaleye / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 121mb8bit, astronaut, brave, bruce, color, colour, digitaleye, earth, enhanced, exploration, floating, futuristic, jamie, manned, manoeuvring, marshall, mccandless, misc24_nasa014, mission, mmu, nasa, orbit, quest, science, space, spacewalk, technology, tribaleye, unit, untethered, vertical