Maj. Gen. Patrick Doherty, 19th Air Force commander, passes the ceremonial guidon to Col. Andrea Themely, incoming 80th Flying Training Wing commander, during the 80th Flying Training Wing Change of Command ceremony at Sheppard Air Force Base, Texas, May 25, 2017. Themely previously served at Sheppard as commander of the 89th Flying Training Squadron from 2012 to 2014. (U.S. Air Force photo by Staff Sgt. Kyle E. Gese)