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The US space shuttle program began in 1981. It ended in 2011 after 135 flights. NASA's initial goal is to reduce launch costs in space through the use of reusable devices. After its construction, the shuttle Challenger performed first nine flights without problems. sukhoi superjet 100 Unfortunately, a technical failure occurred January 28, 1986 at its tenth mission. Shuttle Challenger STS-51-L explodes in midair 73 seconds sukhoi superjet 100 after launch.
Millions of spectators watched amazed to disaster. On that cold January morning, sukhoi superjet 100 the spacecraft disintegrated in the sight of all. The seven astronauts were killed instantly. The investigation revealed that the disaster is caused by a failure of the O-rings on the right of the shuttle boosters. Poor assessment of weather sukhoi superjet 100 is the cause of the tragedy.
The disaster has an impact on the whole program is put on hold for 32 months. A presidential commission was set up to investigate the accident. The method of initiating shuttles are reviewed because the commission highlights shortcomings in the decision-making of NASA. Civilian participation in these expeditions is also reported: teacher Christa McAuliffe, responsible for providing a court from space, being the number of deaths from the disaster.
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