U.S. Air Force joint terminal attack controllers assigned to the 3rd Air Support Operations Squadron participate in close-air support training with Royal Thai Air Force combat controllers 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)