Michael Buchanan,Social affairs correspondentand
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"What helps us get to the moon? Well, for sure, rendezvous and docking with one or ideally both landers, that gives you an opportunity to do some integrated testing of a vehicle that we are going to depend upon the following year to take those astronauts down to the surface of the moon," Isaacman told CBS News.。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
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