A U.S. Army soldier sleeps on top of his Humvee before dawn at a base on the outslirts of the Sadr City section of Baghdad, Iraq, Thursday Sept. 23, 2004. (AP Photo/Jim MacMillan)
A U.S. Army soldier sleeps on top of his Humvee before dawn at a base on the outslirts of the Sadr City section of Baghdad, Iraq, Thursday Sept. 23, 2004. (AP Photo/Jim MacMillan)