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. The Navy hasn't committed to an operational vehicle, but is planning for the X-47B to make an unmanned aircraft carrier landing in 2013. Video: US Navy/Northrop Grumman (01:04)