Turning wrenches
Master Sgt. Jens Walle uses a socket to remove screws from a Polaris Ranger Aug. 4 at a deployed location in Southwest Asia. Sergeant Walle is the NCO in charge of barrier maintenance for the 379th Expeditionary Civil Engineer Squadron and is deployed from Charleston AFB in support of Operations Iraqi Freedom and Enduring Freedom. (U.S. Air Force photo/Staff Sgt. Darnell Cannady)