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欧米加空中加油公司的 K-707 加油机为美国海军 X-47B 无人战斗验证机空中加油，这项测试标志着无人飞机第一次自主空中加油。（PATUXENT RIVER, Md. (April 22, 2015) The Navy's unmanned X-47B receives fuel from an Omega K-707 tanker while operating in the Atlantic Test Ranges over the Chesapeake Bay. This test marked the first time an unmanned aircraft refueled in flight.）