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. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.