 Bay Net | US Navy receives X-47B UPI.com 22 (UPI) -- Northrop Grumman's tailless X-47B unmanned combat air system has been delivered to the US Navy following a year of testing. The US Naval Air Systems Command said the aircraft -- the first fixed-wing unmanned aerial system designed for use ... Calvert, St. Mary's and Charles CountyBay Net los 5 artículos informativos » |
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