Northern Edge 09
Lt. Col. John Hillyer conducts pre-flight checks on his F-22 Raptor fighter aircraft June 17, 2009, during Northern Edge 09 at Elmendorf Air Force Base, Alaska. Hillyer is the 477th Fighter Group commander at Elmendorf AFB. Northern Edge is Alaska's largest military training exercise that prepares joint forces to respond to crises throughout the Asia-Pacific region. (U.S. Air Force photo/Master Sgt. Shane A. Cuomo)