The Northrop Grumman RQ-4 Global Hawk is an unmanned aerial vehicle (UAV) used by the US Air Force as a surveillance aircraft.
The Northrop Grumman RQ-4 Global Hawk is an unmanned aerial vehicle (UAV) used by the US Air Force as a surveillance aircraft. Airplanes - Military - Parked - Misc Links: en.wikipedia.org By: kjfitz