The X-47B is not just another drone - it's a symbol of the future of military aviation. With development costs nearing $875 ...

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.

A year later, the Unmanned Combat Air System demonstration project ended. The X-47B was just a demonstration, a proof of concept. However, the project led to the Carrier-Based Aerial Refueling ...