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The spaceshuttle Challenger compeleted 9 missions before 1986. On her 10th mission the Challenger exploded in January of 1986, due to a o- ring problem.
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Nine. Challenger exploded 73 seconds into its tenth flight.
Challenger completed 9 missions. It exploded while launching on its 10th mission.
7 astronaut did
5 operational Space Shuttles were built, Columbia, Challenger, Discovery, Atlantis and Endeavour. Challenger was destroyed in an explosion during launch and Discovery was destroyed when it disintegrated during re-entry. Neither accident was caused by the orbiter itself. They all flew mission of national or scientific interest. Columbia flew 28 missions. Challenger flew 10 missions. Discovery flew 39 missions. Atlantis flew 33 missions. Endeavour flew 25 missions.
Many flew more missions than that.
After the challenger explosion it did not operate any more missions.
The spaceshuttle Challenger compeleted 9 missions before 1986. On her 10th mission the Challenger exploded in January of 1986, due to a o- ring problem.
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Nine. Challenger exploded 73 seconds into its tenth flight.
The first female US astronaut in space, Sally Ride flew on two NASA missions aboard the Space Shuttle Challenger, STS-7 in 1983 and STS-41G in 1984.
The first female US astronaut to travel into space, Sally Ride flew on two NASA missions aboard the Space Shuttle Challenger, STS-7 in 1983 and STS-41G in 1984.
Challenger completed 9 missions. It exploded while launching on its 10th mission.
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the answer is the space shuttle challenger