TODAY IN HISTORY: Space Challenger Exploded 33 Year Ago

In 1986, space shuttle Challenger exploded 72-seconds after liftoff from Cape Canaveral.  All seven astronauts on board were killed.  The blast was caused by a failure of the shuttle's rocket booster O-rings due to cold weather at launch time.  

The disaster occurred 25-years and one day after the fire at NASA's Apollo One launch pad which left three astronauts dead.

 
 
 

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