U.S., Thai and Singaporean airmen participating in Cope Tiger 13 visit a school in Nakhon Ratchasima province, Thailand, March 13, 2013. The airmen donated computer equipment, school supplies and athletic gear to the school during the event. 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)