The Navy was sufficiently concerned about the danger of crews' receiving and carrying out unauthorized launch orders that it overhauled the entire system.
海军非常担心控制人员接收并执行未经授权发射命令的危险，因此对整个系统进行了彻底检查。
Aboard these orbiting craft, crews test new technologies, conduct research and launch and repair orbiting satellites and other craft.
这些轨道飞船上，小组测试新技术，开展研究，开展维修轨道卫星和其它工艺。
This orbit allows the station to be reached by the launch vehicles of all the international partners to provide a robust capability for the delivery of crews and supplies.
这个轨道使太空站可以与所有国际合作伙伴的宇宙飞船进行对接，以增强运送宇航员和提供物资的能力。
SLS, which will loft NASA's exploration crews and payloads into orbit from KSC's Pad 39B, is NASA's next heavy-lift launch vehicle.
将从KSC的发射台39B发射，把NASA的探索人员和有效载荷送入轨道，是NASA的下一代重型起飞运载火箭。
SLS, which will loft NASA's exploration crews and payloads into orbit from KSC's Pad 39b, is NASA's next heavy-lift launch vehicle.
将从KSC的发射台39B发射，把NASA的探索人员和有效载荷送入轨道，是NASA的下一代重型起飞运载火箭。
SLS, which will loft NASA's exploration crews and payloads into orbit from KSC's Pad 39b, is NASA's next heavy-lift launch vehicle.
将从KSC的发射台39B发射，把NASA的探索人员和有效载荷送入轨道，是NASA的下一代重型起飞运载火箭。
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