Col. Stephen Lanier, 315th Operations Group commander, passes the 317th Airlift Squadron guidon to Lt. Col. John Gurrieri during a change of command ceremony Oct. 14, 2017, at Joint Base Charleston, SC. Gurrieri assumed command after Lt. Col. Stan Davis relinquished the role during the ceremony held in the Yonkie Auditorium. (U.S. Air Force photo by Staff Sgt. Tom Brading)