Air Force Surgeon General Lt. Gen. Dorothy Hogg administers the oath of office to Lt. Col. Elisha Parkhill, 42nd Medical Operations Squadron mental health flight director of staff, June 8, 2018, Maxwell Air Force Base, Alabama. Before her assignment at Maxwell, Parkhill served as Hogg’s executive officer for two years. (U.S. Air Force photo by Senior Airman Alexa Culbert)