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For millions of Americans, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11. On that chilly January day in 1986, ...

When Space Shuttle Discovery touched down for the last time at Kennedy Space Center Runway 15 on March 9, 2011, it brought to an end a 27-year career of spaceflight. Discovery flew to space 39 times, ...

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...