A U.S. soldier carries a 155mm shell during a cleanup operation in Baghdad, May 19, 2003. Three U.S. troops were killed and four were injured in three separate accidents in Iraq (news - web sites), the United States Central Command said on Sunday. One soldier was killed and three others were injured in the detonation of a piece of unexploded ordnance in Baghdad on Saturday. (Faleh Kheiber/Reuters)
