The USAF does not know how or why operators lost control of the MQ-9 Reaper UnmannedAircraftSystem.
美国空军不知道导航员何以会对MQ-9“收获者”无人飞机系统失去控制。
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While the Predator started as a USAF program, the U. S. Army selected a variant of the Predator called Sky Warrior for its own unmannedaircraftsystem (UAS) requirement.
Currently, the company supports several Defense Department programs, including as a prime contractor in the production of an air-launched small expendable unmannedaircraftsystem (UAS).