Colonel Richard McComb, Joint Base Charleston commander, takes the squadron guidon from Lt. Col. Trevor Whitehill, 628th Comptroller Squadron outgoing commander, during the 628th CPTS Change of Command ceremony at JB Charleston - Air Base, S.C., May 23, 2012. The passing over of the guidon symbolizes the changing of a command. (U.S. Air Force photo/Airman 1st Class George Goslin)