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1986年1月28日正当“挑战者号”航天飞机进行第25次飞行时发生了机毁人亡的重大事故.为查明事故发生原因,美国政府成立了事故调查委员会,并于1986年6月6日作出了事故分析报告.报告指出,事故的直接原因是右侧固体助推器一连接件的O形圈损坏,导致了结构的损坏.
In 1986, on January 28, 1986, when the Challenger space shuttle was in its 25th flight, a major plane crash occurred. To find out the cause of the accident, the U.S. government set up an accident investigation committee and in 1986 6 An accident analysis report was made on January 6. The report noted that the direct cause of the accident was the damage to the O-rings of a connector on the right solid booster that caused the damage.