与此同时，他还命令太空总署在2020年早些时候，研发出新的火箭、太空舱和将宇航员送返月球的着陆舱。
At the same time, he directed NASA to begin development of new rockets, capsules and landers to carry astronauts back to the moon by the early 2020s.
他们只好取消了在月球着陆的计划，并利用登月舱作为救生艇。
They had to cancel the moon landing and use the moon lander as a lifeboat.
两名宇航员将从在轨道上飞行的指令舱乘载登月舱在月球着陆。
Two astronauts would ride in it from the orbiting command module to the moon's surface.
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