On February 1, 2003, the world lost Indian-American astronaut Kalpana Chawla and six other crew members aboard the Space Shuttle Columbia, which broke apart during re-entry into Earth’s atmosphere.
Beloved Concord teacher Christa McAuliffe, the first civilian teacher ever chosen for a space mission, was one of seven crew members killed in the disaster.
Today marks the 39th anniversary of the Space Shuttle Challenger disaster (Mission STS-51-L), when the shuttle's seven astronauts were killed by an explosion.
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