Shuttle Discovery is preparing to blast off with a woman at the helm. Pamela Melroy is only the second woman to command a shuttle flight.

由女宇航员Pamela Melroy 掌舵的发现号航天飞机正在准备点火起飞，她是第二名做了航天飞机机长的女宇航员。

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But your number doesn't come up often if you're competing with almost 150 Type-A co-workers for one of five to seven seats on a shuttle flight.

但如果你与150名优秀合作者为航天飞机5 - 7个位置中的一个竞争，你的编号经常都不会被提出来。

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In tribute to those achievements and to the unique view of Earth that the shuttle has provided, we offer a new photo feature: Every Flight is a Mission to Planet Earth.

在赞扬航天飞机带来的成就和观察地球的独特视角时，我们提供了一个新的照片功能：每次飞行，都是地球的使命。

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NASA officials cleared the flight after technicians fixed a hydrogen leak in the shuttle's fueling system, which delayed the launch from last week.

VOA: standard.2009.03.15

There was not going to be a Shuttle flight to fix this problem.

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