Col. Caroline Evernham, 315th Operations Group commander, passes the guidon to Lt. Col. Lara B. Morrison as she takes command of the 315th Operations Support Squadron during a ceremony Aug. 24, 2014 in the Yonkie Auditorium here at Joint Base Charleston, S.C. Lt. Col. Thomas McNamara relinquished command of the squadron to Morrison, whose previous assignment was with the18th Air Force at Scott Air Force Base, Ill. (U.S. Air Force photo / Capt. Michaela Judge)