Challenger roars into orbit on 29 April 1985. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de
Thirty years ago, this week, Challenger was circling the Earth on the first dedicated Spacelab science flight of the shuttle era. For seven days, the crew of Mission 51B—Commander Bob Overmyer, Pilot Fred Gregory, Mission Specialists Don Lind, Norm Thagard, and [...]
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