U.S.soldiers from the Army's 1st Cavalry Division guard weapons voluntarily surrendered Tuesday, May 18, 2004 by residents of the restive Baghdad district of Sadr City, Iraq, under a "buyback"program. Sadr City, a mainly poor and Shiite area that's home to some 2 million Iraqis, has since last month witnessed heavy fighting between militiamen loyal to a radical cleric and U.S. forces. (AP Photo/Muhammed Muheisen)