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2016年2月的《空天杂志》发表了题为《X-37B究竟在做什么?》的文章。文章通过采访多位空天飞机研究领域的专家,推测X-37B的任务。以下是本文的主要内容。美国空军X-37B小型试验型航天飞机的首次发射至今已有5年之久,外界对于这种神秘的无人航天飞机的认识依然如同2010年时一样,知之甚少。不过,在X-37B进行了3次完整飞行并且在2015年5月份进行了第4次发射之后,外界至少可以做出一些有根据的推测。第4次发射的X-37B目前仍然在轨道上飞行,而且飞行要持续到12月中旬。尽管这项计划是保密的,但是美国空军
In February 2016, Sky Space Magazine published an article titled “What is the X-37B doing?” The article speculated that the mission of the X-37B was to interview a number of experts in the field of space-day aircraft research. The following is the main content of this article. The first launch of the USAF X-37B pilot spacecraft has been going on for five years now, and little is known about the mystery of this unmanned space shuttle as it did in 2010. However, at least three well-founded surmisings could be made after three complete flights by the X-37B and a fourth launch in May 2015. The fourth launch of the X-37B is still in orbit, and the flight should last until mid-December. Although the plan is confidential, the U.S. Air Force