Rakassans of U.S. 3rd Battalion, 187th Infantry Regiment of the 101st Airborne Division face outward from the back of a troop carrier minutes after they were ambushed outside the former Saddam International Airport in this picture taken on April 4, 2003. During the firefight, at least one enemy was killed and one seriously wounded. AP Photo/Robert Woodward, U.S. Army

Staff Sgt. Todd Morton, 27, of Cohoes, N.Y., looks through documents and maps found after 2nd platoon, Bravo Company, 3rd Battalion, 2nd Brigade, 101st Airborne Division (Air Assault) occupy a hastily abandoned residence in An Najaf, Iraq. The unit searched several buildings turning up uniforms, communication equipment and gas masks, vehicles , dozens of small and large caliber weapons, rocket-propelled grenades, U.S. style uniforms and other personal items, as well as uncovering at least two Russian-made BM21 rocket-launch systems. Rob Curtis / Military Times staff

Bravo Company soldiers use explosives and tools to breach and enter buildings at a suspected enemy occupied water-treatment facility in An Najaf, Iraq, on Wednesday. Rob Curtis / Military Times staff