A so-called Earth Departure stage and Altair lunar lander would sit atop the core stage and be launched into orbit to meet Orion spacecraft carrying moon-bound astronauts.
所谓的地球分离级和牵牛星月球着陆器在核心级之上，被发射进入轨道后，与载有登月宇航员的猎户座太空船会合。
This is a major step in certifying transportation systems that can meet America's goal of transporting our astronauts to and from the space station.
EDMango说，他是NASA的CCP经理，“这是一个主要步骤，以证明运输系统（是否）能满足美国的目标（把）我们的宇航员运送到空间站的。
This is a major step in certifying transportation systems that can meet America's goal of transporting our astronauts to and from the space station.
EDMango说，他是NASA的CCP经理，“这是一个主要步骤，以证明运输系统（是否）能满足美国的目标（把）我们的宇航员运送到空间站的。
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