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What the Dog Saw: And Other AdventuresIn mid-April of 1986, the salvage team found several chunks of charred metal that confirmed what had previously been only suspected: the explosion was caused by a faulty seal in one of the shuttleБЂ™s rocket boosters, which had allowed a stream of flame to escape and ignite an external fuel tank. Armed with this confirmation, a special presidential investigative commission concluded the following June that the deficient seal reflected shoddy engineering and lax management at NASA and its prime contractor, Morton Thiokol. Properly chastised, NASA returned to the drawing board, to emerge thirty-two months later with a new shuttle БЂ“ Discovery БЂ“ redesigned according to the lessons learned from the disaster. During that first post-Challenger flight, as America watched breathlessly, the crew of the Discovery held a short commemorative service. БЂњDear friends,БЂ«the mission commander, Captain Frederick H. Hauck, said, addressing the seven dead Challenger astronauts, БЂњyour loss has meant that we could confidently begin anew.БЂ«The ritual was complete. NASA was back ...» |
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