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.
Jan. 28, 1986, 7 spacefarers were killed when shuttle Challenger exploded midair after launching from Kennedy Space Center in Florida
On a cold, sunny morning in Florida, after several scrubs due to weather, the launch was a highly-anticipated event.
NASA's Space Shuttle Program, which ran from 1981 to 2011, was a complex and ambitious project that pushed the boundaries of space exploration, but was marred by two tragic accidents during the shuttle era.