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"The fatal flaw in Flight 51-L," - Trudy E. Bell and Karl Esch, IEEE Spectrum, February, 1987, pp. 36-51.
"Roger M. Boisjoly strode angrily down the hall to his office. An engineer with Morton-Thiokol Inc.'s Wasatch division, near Brigham City, Utah, Boisjoly was on the team behind the solid-fuel rocket boosters used for the space shuttle lift-offs. "He passed the open door of the company's management information center, where colleagues were waiting to watch the launch the morning of Jan. 28, 1986. One caught Boisjoly in the hallway. 'Come on, Roger. Come on in and watch.' He shook his head. The night before, he and a handful of other engineers had done their absolute best to have the launch postponed, and he still felt drained and frustrated. "Still, on that urging, he turned reluctantly into the room. And so, a few moments later, Roger Boisjoly was watching as Challenger vanished into a fireball, and saw on the screen the rain of fragments dropping toward the Atlantic, nine miles below. "Challenger was destroyed after hot propellant gases blew past the aft joint…"
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