Pfc. Hector Mendoza Jr., fills a one-cubic-foot box of gravel to help make concrete for a defensive bunker at the Kandahar airport in Afghanista. The Nogales, Ariz. native is a combat engineer with the 101st Airborne Division (Air Assault) who's primary job will be clearing mine fields around the airport. Photo by Sgt. 1st Class David K. Dismukes