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40 years ago, classified Shuttle mission foreshadowed Challenger's fatal flaw
It has been 40 years since NASA launched the first dedicated Department of Defense Space Shuttle mission, after which engineers spotted O-ring seal defficiencies that would doom Challenger a year ...
The Scientist12mon
Challenger's Whistle-Blower: Hero And Outcast
PHOENIX--When the shuttle Challenger blew up, the explosion lit a fuse in Roger Boisjoly's conscience. A structural engineer for Morton Thiokol Inc., the firm that later bore blame for the disaster, ...