With the 2003 Columbia tragedy in mind, NASA will have the shuttle Endeavour prepared to rescue the Atlantis crew from space on a week's notice should any mishaps occur.

鉴于2003年发生的哥伦比亚事件的惨剧仍记忆犹新，NASA预备了奋进号航天飞机作为后援，一周内一旦亚特兰蒂斯号发生任何危险，奋进号将立刻进行救援。

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Did you watch on TV the tragedy of Columbia Space Shuttle of the U. S.?

你们在电视上看到美国哥伦比亚航天飞机的悲剧了吗？ ？

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This photograph of the Space Shuttle Challenger exploding 73 seconds after lifting off from the Kennedy Space Center launch pad became the iconic image of a national tragedy.

这种航天飞机爆炸后，解除从肯尼迪航天中心发射台73秒关闭挑战者照片成为一个国家的悲剧标志性形象。

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But, the space shuttle program has come to represent the success,and tragedy, of discovery at the limits of our world.

VOA: special.2011.07.27

He also served on the Rogers Commission which investigated causes behind the Space Shuttle Challenger tragedy.

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