2007 : First unmanned lunar probe is launched .

2007年：发射首个无人月球探测器。

Crucially , the invite mentions air travel rather than an unmanned project .

重要的是，邀请函中提到空中旅行并不是一个无人试验项目。

Project icarus is an ambitious five-year study into launching an unmanned spacecraft to an interstellar destination .

伊卡洛斯项目是一项艰巨的五年研究为发射无人飞船到达位于其它星球目的地。

Japan has similar ambitions , and launched its first unmanned spacecraft to the iss in september .

日本也很有野心，九月向国际空间站发射了它的第一艘无人宇宙飞船。

Later this year a first unmanned docking mission is scheduled , followed by two manned docking exercises next year .

中国计划在今年晚些时侯实施首次无人对接任务，并在明年实施两次载人对接实验。