Col. Christopher Cotts, Seventh Air Force chief of staff, speaks with Neutral Nations Supervisory Commission members, Republic of Korea Lt. Col. Nam, Su Jang, Strategy and Plans assistant secretary, Swedish Maj. Gen. Mats Engman, head of policy and plans department for the Swedish Armed Forces, and Swiss Lt. Col. Christian Guillaume, Swiss delegate, during an observation tour during exercise Ulchi Freedom Guardian Aug. 24, 2015, at the Hardened Theater Air Control Center, Osan Air Base, Republic of Korea. The NNSC was established in July 27, 1953 by the United Nations, when the Korean War came to an armistice. (U.S. Air Force photo by Airman 1st Class John Linzmeier)