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Gemini 9's rough EVA, and NASA's big lesson

  • Gemini 4, 1965 -Edward White II performs the first U.S. EVA. He wears a G4C space suit. Note the HHMU (top right) and Whiteā€™s VCM chestpack. (S65-30433)
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    Gemini 9 EVA
    His visor fogged, sweat poured, and Cernan was barely hanging on šŸ˜®ā€šŸ’Ø Gemini 9's spacewalk got rough fast
  • STS-6, 1983 - Donald Peterson uses handrails and a tether slidewire to translate down Challengerā€™s payload bay door sill toward Story Musgrave during the first Space Shuttle EVA. (S06-44-0549)
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    Gemini 9 EVA
    The plan was huge: retrieve a package, then fly the AMU backpack out to 45 meters šŸš€ But the tether, suit, and workload fought back
  • STS 41-C, 1984 - George Nelson (left) and James van Hoften service the Solar Maximum Mission satellite (top right) in Challengerā€™s payload bay. (41 C-38-1853)
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    Gemini 9 EVA
    Cernan said he was spending half his effort just staying in place. He fogged his faceplate, tore his suit, and got called back inside
  • STS-61, 1993 - Jeffrey Hoffman and Story Musgrave (on RMS) service HST in Endeavourā€™s payload bay. (STS061-98-050)
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    Gemini 9 EVA
    NASA learned the hard part: EVA needs handholds, restraint, and training that matches real movement šŸ§© Save this checklist: body restraints, glove mobility, cooling margin, neutral buoyancy practice
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