Columbia and Challenger
The Columbia and the Challenger.
None crashed they broke apart and there were only two Space Shuttles that did so. Space Shuttle Challenger broke apart on take-off over the Atlantic Ocean in 1986 and Space Shuttle Columbia broke apart on re-entry over East Texas in 2003.
Two space shuttles have crashed: Challenger in 1986 and Columbia in 2003. Both incidents resulted in the loss of the crew on board.
The two US space shuttles that faced tragedy were Challenger, which disintegrated shortly after launch in 1986, and Columbia, which broke apart upon reentry in 2003. Both accidents resulted in the loss of all crew members on board.
When two shuttles blew up in 1986, the US President was Ronald Reagan. The two failed space shuttles are: the Space Shuttle Challenger on January 28, 1986 and the Delta 3914 on May 3, 1986.
The two space shuttles that tragically crashed were the Challenger in 1986 and the Columbia in 2003.
The Space Shuttles are old, expensive, and outdated. Two of the five US space shuttles were destroyed in accidents that killed all on board, which raised concerns about the safety of the spacecraft as well.
Enterprise was the only Space Shuttle that was never meant for space.
Two of the space shuttles that exploded were the Space Shuttle Challenger in 1986 and the Space Shuttle Columbia in 2003. Both tragedies resulted in the loss of crew members and led to investigations and reforms in the space shuttle program.
Oxygen and hydrogen
The two space shuttles that exploded were the Challenger in 1986 and the Columbia in 2003. Both tragedies resulted in the loss of all crew members on board.
Two out of five Space Shuttles: Challager and Columbia, were the only 2 shuttles to be lost, challager exploded 72 seconds after takeoff while Columbia burned up in the atmosphere.