Exercise Cope Tiger 13 directors with the U.S. Air Force, the Royal Thai Air Force and the Singapore Air Force serve food to students during a visit at a school in Nakhon Ratchasima province, Thailand, March 13, 2013. Airmen from each country 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)