U.S. Air Force Lt. Col. Kathleen Stefanich, 307th Maintenance Squadron commander, takes the unit guidon from Col. Robert Griffith, 307th Maintenance Group commander, during an assumption of command ceremony at Barksdale Air Force Base, Louisiana, Oct. 17, 2021. Stefanich came to the 307th MXS from the 916th MXS where she served as commander. (U.S. Air Force photo by Tech. Sgt. Callie Ware)