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X-37B将执行第4次飞行任务据腾讯网2015年5月11日报道,美国空军的X-37B航天飞机将进行第4次飞行,用于试验最新的在轨机动与任务延伸技术。此次任务涉及到美国空军研究实验室和美国航天与导弹系统中心联合开发的一种新型推进系统,X-37B将利用这套系统在轨机动,试验其基本性能,空军官员将评估X-37B的性能,并进行一些改进。经过前3次的飞行试验,X-37B已经累计在轨1366天,美国空军已经掌握了其飞行性能,有助于之后战斗力的形成,X-37B由波
X-37B to perform fourth mission According to Tencent reported on May 11, 2015, the United States Air Force’s X-37B space shuttle will carry out its fourth flight to test the latest in-orbit maneuver and mission extension technology. The mission involves a new propulsion system jointly developed by the U.S. Air Force Research Laboratory and the U.S. Space and Missile Systems Center. The X-37B will be used to maneuver the orbit to test its basic capabilities. Air Force officials will evaluate the X-37B Performance, and make some improvements. After the first three flight tests, X-37B has been accumulated on orbit 1366 days, the United States Air Force has mastered its flight performance, contribute to the formation of combat effectiveness, X-37B from the wave