Forty years ago, the NASA space shuttle Challenger exploded 73 seconds after liftoff, killing all seven crew members. Among the seven crew members were five NASA astronauts, as well as a payload ...
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17,000 mph. The space shuttle is doomed

Space Shuttle Columbia disaster didn’t begin during re-entry. It began 16 days earlier, with something NASA believed was harmless. In 2003, Columbia launched on what appeared to be a routine mission.