American soldiers from the 1st Battalion, 22nd infantry regiment, 4th Infantry division in Tikrit, Iraq (news - web sites), Thursday, Sept. 11, 2003, reflect during a memorial service. More than 150 soldiers from the 4th infantry division attended the memorial service in memory the loss of life from terrorist attacks in America on September 11, 2001. (AP Photo/Rob Griffith)

US soldier Ssg. Rios from the 1st Battalion, 22nd infantry regiment, 4th Infantry division in Tikrit, Iraq (news - web sites), Thursday, Sept. 11, 2003, reflects during a memorial service. More than 150 soldiers from the 4th infantry division attended the memorial service in memory of those who died in September 11 terrorist attacks. (AP Photo/Rob Griffith)

American soldiers from the 1st Battalion, 22nd infantry regiment, 4th Infantry division in Tikrit, Iraq (news - web sites), Thursday, Sept. 11, 2003, hold the unit color flags during a memorial service. More than 150 soldiers from the 4th infantry division attended the memorial service in memory of those who lost their lives from the terrorist attacks in America on September 11, 2001.(AP Photo/Rob Griffith)

American soldier Maj. General Raymond T. Odierno, center, commander of the 4th Infantry division in Tikrit, Iraq (news - web sites), Thursday, Sept. 11, 2003, addresses fellow soldiers during a memorial service. More than 150 soldiers from the 4th infantry division attended the memorial service in memory of the loss of life from terrorist attacks in America on September 11, 2001. (AP Photo/Rob Griffith)