Colonel Erik Hansen, 437th Airlift Wing commander, passes the squadron guidon to Lt. Col. David Owens, 15th Airlift Squadron incoming commander, during the 15th AS Change of Command ceremony at JB Charleston - Air Base, S.C, May 24, 2012. The passing over of the guidon symbolizes the changing of a command. (U.S. Air Force photo/ Staff Sgt. Nicole Mickle)

Colonel Erik Hansen, 437th Airlift Wing commander, takes the squadron guidon from Lt. Col. Rebecca Sonkiss, 15th Airlift Squadron outgoing commander, during the 15th AS Change of Command ceremony at JB Charleston - Air Base, S.C, May 24, 2012. The passing over of the guidon symbolizes the changing of a command. Lt. Col David Owens assumed command of the 15th AS. (U.S. Air Force photo/ Staff Sgt. Nicole Mickle)