Staff Sgt. Travis Wright looks over a maintenance log for his F-15C Eagle June 18 during Exercise Northern Edge 09 held at Elmendorf Air Force Base, Alaska. Sergeant Wright is a crew chief from the 57th Aircraft Maintenance Squadron, Nellis AFB, Nev. 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)