Colonel Justin Davey, 628th Mission Support Group commander, takes the squadron guidon from Lt. Col. Tyr Brenner, 628th Contracting Squadron outgoing commander, during the 628th CONS change of command ceremony at Joint Base Charleston - Air Base, S.C, July 16, 2012. The handing over of the guidon symbolizes the changing of a command. (U.S. Air Force photo/ Airman 1st Class Chacarra Walker)

Colonel Justin Davey, 628th Mission Support Group commander, hands the guidon to Lt. Col. Dale Skinner, 628th Contracting Squadron incoming commander, during the 628th CONS Change of Command Ceremony at Joint Base Charleston - Air Base, S.C, July 16, 2012. The passing of the guidon symbolizes the changing of a command. (U.S. Air Force photo/ Airman 1st Class Chacarra Walker)