Col. Rob Lyman, left, 628th Air Base Wing commander, passes the guideon to Lt. Col. Bryan Collins, right, 628th Comptroller Squadron incoming commander, during the 628th CPTS change of command ceremony at Joint Base Charleston, S.C., June 28. The squadron bid farewell to the outgoing commander Lt. Col. Samual Shimp and welcomed Collins as the new squadron commander. (Photo by Staff Sgt. Christopher Hubenthal)