Senior Airman Richard Lawrence, a personnelist from the 451st Expeditionary Support Squadron, provides overwatch at Kandahar Airfield, Afghanistan. Personnelists with the 451st ESPTS in and out-processes all members at KAF, handles decorations and other personnel functions. All Airmen, regardless of position, are responsible for the security and safety of the installation. (U.S. Air Force photo by Staff Sgt. Benjamin Gonsier)