MOST ADVANCED US Air force Boeing X 37B Unmanned Spacecraft Category: Future, Military & Police Tags: military drone, unmanned spaceship, X 37B, X37B
![US Navy – X-47B UCAS First Touch & Go Landing Tests On USS George H.W. Bush (CVN 77) [1080p]](http://dronesonvideo.com/wp-content/uploads/2014/09/us-navy-x-47b-ucas-first-touch-g-e1418062692430-196x126.jpg "US Navy – X-47B UCAS First Touch & Go Landing Tests On USS George H.W. Bush (CVN 77) [1080p]")
