Private Space Taxis on Track for 2017 Launch, NASA Says
tanny · 2014-03-22 20:32:35 +08:00 · 1697 次点击这是一个创建于 3918 天前的主题，其中的信息可能已经有所发展或是发生改变。
The United States should be able to launch its astronauts to space using homegrown commercial spacecraft by 2017, NASA officials say.
http://news.yahoo.com/private-space-taxis-track-2017-launch-nasa-says-120445301.html
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