A tired U.S. Marine from the 15th Expeditionary Unit takes a short break in the deserts near the southern Iraqi city of Nasiriyah Monday, March 31, 2003. (AP Photo/Itsuo Inouye)

British soldiers from 40 Commando fire their (GPMG) General Purpose Machine Gun at Iraqi positions, south of Basra.(AFP/MoD POOL/Paul Grover)

A little Iraqi girl looks to one of the soldiers of the British 1st Battalion The Irish Guards, as they come under enemy fire from the city of Basra, southern Iraq, Sunday March 30, 2003. The soldiers were manning a checkpoint on the outskirts of Basra when they came under small arms fire from two Iraqi positions several hundred meters away. (AP Photo/Giles Penfound/Crown Copyright/POOL)

Iraqi bedouins wave as U.S. 15th Marine Expeditionary Unit Fox Company 'Raiders' convoy drives south of the town of An-Nasariya in central Iraq.

Marine Staff Sgt. Donald C. May, Jr., from Richmond, Va., is shown in this recent family photo. May is one of three Marines who were last seen near the Euphrates River in Iraq on Tuesday March 25, 2003 according to Pentagon officials. (AP Photo/Family Photo)

Marine Lance Cpl. Jesus Suarez Del Solar, 20, of Escondido, Calif., is shown in this undated family photo. Suarez, part of the 1st Light Armored Reconnaissance Battalion, 1st Marine Division, was killed in combat in Iraq Saturday March 29, 2003 his wife said Sunday, March 30. 2003. (AP Photo/Del Solar Family via San Diego Union-Tribune)

Cpl. Michael E. Curtin, of Howell, N.J., shown in this undated family photo, was one of four U.S. Army 3rd Infantry Division soldiers killed Saturday, March 29, when a suicide bomber detonated an explosives-filled taxi at a U.S. checkpoint near Najaf, Iraq. (AP Photo/Curtin Family)

U.S. Marines from the 15th Expeditionary Unit search an Iraqi military base in the desert near the southern city of Nasiriyah on Sunday, March 30, 2003. (AP Photo/Itsuo Inouye)

A U.S. Marine from the 15th Expeditionary Unit aims his bayoneted rifle on a portrait of Iraq President Saddam Hussein during a search of an Iraqi military base in the desert near the southern city of Nasiriyah on Sunday, March, 30, 2003. (AP Photo/Itsuo Inouye)

U.S. Marines of the 15th Expeditionary Unit (MEU) Fox Company 'Raiders' play cards wearing respirators during a gas attack alert in an undisclosed location in the Iraqi desert on March 28, 2003.

Royal British Marines of the 40 Commando carry an injured Iraqi to a humvee to wait for a military ambulance, in Abu Al Khasib, a suburb of Basra, in southern Iraq Sunday March 30 2003. (AP Photo/Terry Richards, Pool)

Father Capt. Michael Albano of San Diego, Calif., right, blesses soldiers from the 3rd Brigade of the 101st Airborne Division during mass in central Iraq Sunday, March 30, 2003. (AP Photo/Jean-Marc Bouju)

In this image from video taken Sunday, March 30, 2003, rubble of a vehicle is shown at the scene of where an Iraqi suicide bomber killed four American soldiers in an attack Saturday, March 29, 2003. north of the city of Najaf, Iraq. A taxi stopped close to the checkpoint, and the driver waved for help. Five soldiers approached the car, and it exploded killing four of the servicemen. The victims were part of the Army's 1st Brigade, 3rd Infantry Division. (AP Photo/APTN)