Story Musgrave works at the end of Endeavour’s mechanical arm during activities to service the Hubble Space Telescope (HST) in December 1993. Photo Credit: NASA
Almost a quarter-century ago, in April 1991, the effort to build today’s International Space Station (ISS) got underway with a pair of spacewalks—one unplanned—outside the shuttle Atlantis. During STS-37, [...]
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