Global Hawk takes northern route, improves efficiency
Staff Sgt. Ryan Conversi prepares the RQ-4 Global Hawk for launch using the vehicle test controller while reviewing technical orders May 26, 2010, at Beale Air Force Base, Calif. Sergeant Conversi is a crew chief assigned to the 12th Reconnaissance Squadron. (U.S. Air Force photo/Staff Sgt. Bennie J. Davis III)