2012年6月12日 星期二

美國無人飛機 - 全球之鷹 RQ-4

A RQ-4 Global Hawk unmanned aerial vehicle conducts tests.

120611-O-ZZ999-101 WASHINGTON (June 11, 2012) In this undated file photo provided by Northrop Grumman, a RQ-4 Global Hawk unmanned aerial vehicle conducts tests over Naval Air Station Patuxent River, Md. (U.S. Navy photo by Erik Hildebrandt courtesy Northrop Grumman/Released)

A RQ-4 Global Hawk unmanned aerial vehicle conducts tests.
120611-O-ZZ999-102 WASHINGTON (June 11, 2012) In this undated file photo provided by Northrop Grumman, a RQ-4 Global Hawk unmanned aerial vehicle conducts tests over Naval Air Station Patuxent River, Md. (U.S. Navy photo by Erik Hildebrandt courtesy Northrop Grumman/Released)




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