U.S. Air Force Col. Peter Milohnic, right, one of the directors of exercise Cope Tiger 13, plants a cassia sapling during a visit at a school in Nakhon Ratchasima province, Thailand, March 13, 2013. U.S., Thai and Singaporean 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)