Ground pounder
Staff Sgt. David Dengate, a pavement and construction equipment operator with the 379th Expeditionary Civil Engineer Squadron, uses an excavator with a hydro hammer attachment to loosen the ground so it can be dug out Aug. 4, 2008, at an undisclosed location in Southwest Asia. Sergeant Dengate, a native of Detroit, Mich., is deployed from McConnell Air Force Base, Kan. (U.S. Air Force photo by Staff Sgt. Darnell T. Cannady/RELEASED)