ENCORE: Challenger Disaster | Launch Day | 3

In the tense hours leading up to the Challenger launch, engineers and managers at NASA and its contractor Morton Thiokol heatedly argue over whether to move forward, despite freezing temperatures that threaten to compromise the rocket boosters’ O-Rings. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info .