KONAR PROVINCE, Afghanistan, Dec. 30, 2009 – Military and civilian members of the local provincial reconstruction team here are training Afghan workers how to build structures to exact engineering specifications. Navy Chief Petty Officer David Zahm, center, an engineer with the Konar provincial reconstruction team, and Brandon Toliver, U.S. Army Corps of Engineers, speak with Safiullah, the construction site foreman, about the proper rock and sand mixture for concrete footings at the Nowabad school in Konar province, Afghanistan, Dec. 26, 2009. U.S. Air Force photo by Tech. Sgt. Brian Boisvert (Click photo for screen-resolution image);high-resolution image available. On a visit...