U.S. Air Force Lt. Col. Trey Coleman, commander of a E-3 Sentry, poses for a picture during exercise Cope Tiger Korat, Thailand, March 17, 2015. CT15 includes 22 total flying units and over 1,390 personnel from three countries and continues the growth of strong, interoperable, and beneficial relationships within the Asia-Pacific region through integration of airborne and land-based command and control assets. (U.S. Air Force photo by Airman 1st Class Taylor Queen/Released)