ENCORE: Challenger Disaster | Acceptable Risk | 2

As NASA struggles to keep its ambitious launch schedule on track, engineers at contractor Morton Thiokol raise concerns about a key component of the space shuttle’s rocket boosters: O-Rings, which are designed to prevent fuel leaks. Amid this tension, the Teacher in Space program captivates the nation after Christa McAuliffe is selected, raising public interest in the launch.

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