An RQ-4 Global Hawk from the 69th Reconnaissance Group takes off on a training flight from Grand Forks Air Force Base, N.D., Aug. 7, 2012. The RQ-4 Global Hawk is a high-altitude, long-endurance unmanned aircraft system with an integrated sensor suite that provides intelligence, surveillance and reconnaissance, or ISR, capability worldwide. (U.S. Air Force photo/Staff Sgt. Amanda Grabiec)