On January 28, 1986, after five weather-related delays, the space shuttle Challenger lumbered heavenward amid a thunderous overture of noise and flame. A mere 73 seconds later, system failure tore the shuttle apart, and all seven crewmembers perished.
The disaster was attributed to an O-ring seal known to have vulnerabilities. Insiders referred to the fatal mistake as “go fever”—the tendency to ignore vital precautions in the rush to a grand goal.
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