BAGHDAD, IRAQ - APRIL 13: U.S. Army soldiers from the 82nd Airborne play a game of poker as they relax at Command Outpost Callahan April 13, 2007 in Baghdad, Iraq.

TAJI, IRAQ - APRIL 13: U.S. Army Sergeant Josh Thornton from Hotsprings, Arkansas of the Charlie 2/3 SBCT Stryker,works on the 50 caliber machine gun mounted on the vehicle April 13, 2007 in Taji, Iraq.

TAJI, IRAQ - APRIL 13: U.S. Army soliers from the Charlie 2/3 SBCT Stryker, wait for a bus to bring them to dinner at a base April 13, 2007 in Taji, Iraq.

BAGHDAD, IRAQ - APRIL 13: U.S. Army Specialist Kevin Kaiser from Orland, Florida of the Charlie 2/3 SBCT Stryker rides the vehicle during a mission April 13, 2007 in Taji, Iraq.

BAGHDAD, IRAQ - APRIL 13: A U.S. Army blackhawk helicopter flies over the outskirts of Baghdad April 13, 2007 in Baghdad, Iraq.

BAGHDAD, IRAQ - APRIL 13: U.S. Army Specialist Yuniel Taseoronte from Miami, Florida (L) and Specialist Robert Cabradilla from Long Beach, California of the Charlie 2/3 SBCT Stryker ride in their vehicle during a mission April 13, 2007 in Taji, Iraq.

TAJI, IRAQ - APRIL 13: U.S. Army soliers from the Charlie 2/3 SBCT Stryker, wait for a bus to bring them to dinner at a base April 13, 2007 in Taji, Iraq.

TAJI, IRAQ - APRIL 13: U.S. Army Specialist Matthew Harvey (L) from Willimington, North Carolina, and others from Charlie 2/3 SBCT Stryker, clean their weapons before heading out on a mission April 13, 2007 in Taji, Iraq.