The pioneer was Paul MacCready, whose Gossamer Penguin made the first manned flight in 1980 in California, with his then 13-year-old son at the controls.

其中的先驱者是Paul MacCready，他的Gossamer Penguin在1980年于加州第一次实行了载人飞行，当时是由他十三岁的儿子控制的。

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The Moon could then become the space equivalent of a service station - acting as a staging post for manned missions to Mars.

然后，月球就可能变成太空服务站人类登陆火星的补给站。

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If there can't be a new manned mission from Earth by then, administrators will have to decide whether to take extensive steps to extend the vehicle's certification for the return flight, proceed on a return flight without certification, or de-man the space station by flying back the remaining crew members within the certification period, he said.

CNN: Russia postpones new manned space station mission