A pair of F-16 Fighting Falcon ‘Aggressors’ fly over the Joint Pacific Alaska Range Complex Sept. 14, 2009, Eielson Air Force, Base, Alaska. The ‘Aggressors’ are assigned to the 18th Aggressor Squadron, which is responsible for training and preparing joint and allied aircrews for combat missions. The JPARC provides 67,000 square miles of airspace, one conventional bombing range and two tactical bombing ranges containing more than 400 different types of targets and more than 30 threat simulators. (U.S. Air Force photo/Staff Sgt. Christopher Boitz)