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Northrop Grumman starts test flights of X-47B unmanned aircraft
Sacramento, USA - Tests will last three years
Started at 02:09 pm on Friday 4 February 2011, at Edwards Air Force Base, California, the first flight of the UCAV, Unmanned Combat Air Vehicle, X-47B of Northrop Grumman , for the US Navy. The demonstration, which lasted half an hour, was the first of a three-year flight test program which will include a series of demonstrations at Edwards Air Force Base, after which the aircraft will be transferred...
AVIONEWS - World Aeronautical Press Agency