Three U.S. Air Force F-16C Fighting Falcons from the 77th Fighter Squadron, Shaw Air Force Base, S.C., taxi on the flight line toward the runway before departing for a combat training mission June 12, 2012, during Red Flag-Alaska 12-2 at Eielson AFB, Alaska. Red Flag-Alaska is a Pacific Air Forces-sponsored, joint/coalition, tactical air combat employment exercise which corresponds to the operational capability of participating units. The entire exercise takes place in the Joint Pacific Range Complex over Alaska as well as a portion of Western Canadian for a total airspace of more than 67,000 square miles.