Space Shuttle Challenger disaster remembered
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NASA's space shuttle Challenger completed 10 missions before it broke apart during a launch in 1986, killing seven astronauts.
40 years ago today, millions watched in horror as NASA’s Space Shuttle Challenger exploded in mid-air. All seven crew members on board were killed—including a teacher who was about to become the first educator in space.
TODAY marks four decades since the Challenger space shuttle exploded just 73 seconds into its flight. Millions watched the disaster unfold live, as the tragedy was broadcast in schools and on TV