2014年12月5日,美国新一代国家级载人飞船“猎户座”完成了不载人的首飞,并成功返回地面,任务代号EFT-1。此事已经不算新闻,但是EFT-1为美国航宇局(NASA)带回了大量有价值的数据,这为它的后续载人飞行乃至登月、登火星打下了基础。在过去一年多时间里,NASA对这些数据进行了详细分析,收获丰厚。处女航带回大量数据对于这次飞行的意义,美国著名航天评论家本·伊文思写道:“经过10 December 5, 2014, the United States a new generation of national manned spacecraft ”Orion“ completed an unmanned first flight and successfully returned to the ground, the task code EFT-1. The story is no longer news, but the EFT-1 brought back a great deal of valuable data for NASA, laying the groundwork for its follow-up manned flights and even lunar or asteroid missions. Over the past year or so, NASA has done a detailed analysis of these data and has done a great job. Virgo brought back a lot of data For the significance of the flight, the famous American space critic Ben Evans wrote: ”After 10