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The Evolution of Unmanned Combat Aerial Systems: From X-45 to X-47B and Beyond
Core to all these would be the Northrop Grumman X-47B and the Boeing X-45, both vehicles proving central in defining the ...
Smithsonian Magazine2y
X-47B First Flight
X-47B First Flight The X-47B, an unmanned combat vehicle built as a demonstration aircraft for the U.S. Navy, had its inaugural flight at California's Edwards Air Force Base on February 4, 2011 ...