The astronauts could use the space station as a safe haven in the event of major problems and rotate back to Earth aboard Russian Soyuz spacecraft, eliminating the need for a shuttle rescue mission.

航天飞机升空后倘若遭遇重大故障，航天员可以将空间站作为安全的避难所并搭乘俄罗斯“联盟”号飞船返回地球，并借以取消航天飞机升空救援任务的必要性。

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There was real fear that once on the lunar surface the astronauts might end up marooned and beyond rescue.

人们真的担心，一旦上了月球表面，宇航员可能最终会陷入孤立无援的境地。

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One of the frogman's most important jobs is to rescue pilots and astronauts.

潜水员的最终找工作之一就是营救飞行员和宇航员。

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And, at the lofty heights Chandra will fly, there's no way to send astronauts to the rescue.

CNN: The space shuttle shell game