Korat Air Base, Thailand (Feb. 18, 2003) -- A U.S. Air Force E-3 “Sentry,” the premiere air battle command and control aircraft in the world today, in flight during Cope Tiger 2003. Cope Tiger is an annual joint/combined air-to-air, air-to-ground, and large force employment training exercise designed to maintain regional peace and security in the Asian Pacific region by enhancing multi-lateral relationships between the Royal Thai Air Force, the Republic of Singapore Air Force, the U.S. Air Force, and the U.S. Marine Corp. U.S. Air Force photo by Staff Sgt. Cecilio M. Ricardo Jr. (RELEASED)