Thomas P. McCaffrey (front), Defense for Health Affairs principal deputy assistant secretary, speaks to Airmen and civilians during a town hall meeting regarding the transition of military treatment facilities to the Defense Health Agency, Sept. 6, 2018, at Seymour Johnson Air Force Base, North Carolina. The single-system will move military treatment facilities currently managed by the Army, Navy, and Air Force under the DHA in an effort to improve readiness, provide better healthcare and lower costs throughout the entire system. (U.S. Air Force photo by Airman 1st Class Jacob B. Derry)