Northrop Grumman X-47B

The Northrop Grunman X-47B is a combat unmanned air vehicle developed by American Defense Technology Company Northrop Grunman and is now part of the U.S. Navy. The company intends to bring the X-47B prototype into a battle ready aircraft by 2019. The program is costing the U.S. $813 million to continue in the research and test flight of these new drones. 3 different versions are being researched, the X-47A, X-47B, and the X-47C. Click here to learn more.