A Thai air traffic controller, foreground, watches as U.S. Air Force joint terminal attack controllers assigned to the 3rd Air Support Operations Squadron and Royal Thai Air Force combat controllers conduct close-air support training during exercise Cope Tiger 13 at Royal Thai Air Base Nam Phong, Thailand, March 19, 2013. Cope Tiger is an annual multilateral aerial exercise designed to improve readiness and cooperation between U.S., Thai and Singaporean forces. (U.S. Air Force photo by 2nd Lt. Jake Bailey/Released)