U.S. Army Pfc. Carlos Ortiz stands guard while engineers from the Zabul Provincial Reconstruction Team (PRT) show contractors a proposed bridge erosion control site near Qalat, Afghanistan, Dec. 13, 2010. Zabul PRT is comprised of Air Force, Army, U.S. Department of State, U.S. Agency for International Development and U.S. Department of Agriculture personnel who worked with the government of Afghanistan to improve governance, stability and development throughout the province. (DoD photo by 1st Lt. Brian Wagner, U.S. Air Force/Released)