40 years ago today, the world watched in horror as the Space Shuttle Challenger vanished in just 73 seconds. This is the definitive story of the crew, the cold, and the catastrophic decisions that changed spaceflight forever.
On January 28, 1986, seven brave souls—including the first teacher in space, Christa McAuliffe—boarded the Challenger with the eyes of a generation upon them. But behind the triumph of the “Teacher in Space” program lay a series of fatal engineering warnings and a culture of “go fever.”

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