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ISOP To Focus on Shuttle Transition

机译：ISOP专注于航天飞机过渡

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Even as NASA targets May 15 for its first space shut-tie launch since Columbia broke up over the Western United States Feb.1, 2003 on its way home to the Kennedy Space Center after two weeks in orbit conducting science experiments, many in the agency are working diligently to prepare the agency for life without the shuttle after 2010. Prior to the Columbia accident, NASA officials were making plans for keeping the shuttle in service until 2020 or beyond. NASA plans to conduct as many as three missions this year and five missions every year hereafter until the end of the decade. In the meantime, NASA's three remaining space shuttle orbiters and all the supporting infrastructure will continue to age. Even the space station, the first pieces of which were launched in 1998, is starting to show signs of wear and tear, with some components expected to reach the end of their design lives not long after the shuttle is due to retire.
机译：自从哥伦比亚于2003年2月1日在美国西部分手以来在美国肯尼迪航天中心回家的途中进行了为期两周的科学实验后，美国宇航局就定于5月15日首次发射航天飞机。正努力为2010年以后没有航天飞机的飞行机构做好准备。在哥伦比亚号事故发生之前，美国宇航局官员正在计划将航天飞机保持运行至2020年或更晚的时间。美国宇航局计划今年执行多达三项任务，此后每年每年执行五项任务，直到十年结束。同时，美国宇航局剩下的三个航天飞机轨道器和所有支持的基础设施将继续老化。即使是首批于1998年发射的空间站，也开始显示出磨损的迹象，一些部件预计在航天飞机退役后不久就会达到其设计寿命。

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