1986 Space Shuttle program: STS-51-L mission – Space Shuttle Challenger breaks apart after liftoff killing all seven astronauts on board.
1986 Challenger Disaster: Divers from the USS Preserver locate the crew cabin of Challenger on the ocean floor.
1986 The Rogers Commission releases its report on the Space Shuttle Challenger disaster.
1988 Space Shuttle: NASA launches STS-26, the return to flight mission, after the Space Shuttle ''Challenger'' disaster.
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