U.S. Air Force Airman 1st Class Donta Mitchell, a 628th Security Forces Squadron (SFS) journeyman, looks out of a high-mobility, multipurpose wheeled vehicle during tactical vehicle training at Joint Base Charleston, S.C., April 24, 2012. The monthly training was given to Airmen with the 628th SFS to familiarize them with operating tactical vehicles and how to perform security checks while in a convoy. (U.S. Air Force photo by Staff Sgt. Nicole Mickle/Released)