U.S. Army Sgt. Dennis Franklin, Headquarters and Headquarters Company Management Command Yongsan air traffic controller, monitors air space throughout the Indo-Asian-Pacific region at the Hardened Theater Air Control Center, Osan Air Base, Republic of Korea, during the first day of Ulchi Freedom Guardian, Aug. 17, 2015. Approximately 33,000 Airmen, Soldiers, Sailors and Marines from Osan, the Pacific theater and the United States along with other allied militaries are participating in the annual exercise in an effort to enhance the combat readiness of the ROK and U.S. forces. Months of planning went into UFG, preparing joint teams on the operations floor to work together and maximize their collaborated efforts. (U.S. Air Force photo by Airman 1st Class John Linzmeier)