On January 28, 1986 NASA’s space shuttle orbiter Challenger broke apart and disintegrated 73 seconds after launch, killing the seven members of the crew. The loss of the Challenger had serious consequences for NASA, sidelining the shuttle program for nearly three years and irreparably marred NASA’s reputation. A presidential commission was formed to investigate the accident, and concluded that the breaking up and disintegration of the Challenger was caused by a failure in the O-ring seals in the solid rocket booster. The O-rings failed as a result of operation during below freezing temperatures, a known issue. The day before the launch engineers from Morton Thiokol, the company who manufactured the solid rocket boosters advised NASA to delay the launch based on below freezing weather forecasts at the launch site.
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