A US soldier fires back as their humvee is ambushed by Shia insurgents on the outskirts of Najaf, Iraq, Thursday May 6, 2004. (AP Photo/Saurabh Das)
A US soldier mans a defensive position on the northern side of Najaf, Iraq, Thursday May 6, 2004. The soldiers were blocking Shia insurgents from reaching the government office in the city that was taken over in an operation by US forces. (AP Photo/Saurabh Das)
US soldiers shoot back after Shia insurgents attacked a road block with rocket propelled grenades and small arms in Najaf, Iraq, Thursday May 6, 2004. The soldiers were blocking Shia insurgents from reaching the government office in the city that were taken over in an operation by US forces. (AP Photo/Saurabh Das)
U.S. Army soldiers clear the area following a suicide bombing near a checkpoint to the main complex housing U.S. administrative offices in central Baghdad, Iraq, Thursday, May 6, 2004, killing at least six Iraqi civilians, and one U.S. soldier and injuring 25 people, the US military said. (AP Photo/Anja Niedringhaus)
A slightly wounded U.S. Army soldier secures an area in the Iraqi capital of Baghdad after his vehicle (at rear) struck a road-side bomb, May 6, 2004. Earlier today a suicide bomber killed five Iraqis and an American soldier at an entrance to the U.S. Baghdad headquarters, hours after President Bush (news - web sites) tried to mend the damage from a prisoner abuse scandal. REUTERS/Akram Saleh
BAGHDAD, IRAQ: US soldiers secure the area of a car bomb explosion that killed six Iraqis and one US soldier 06 May 2004 at a checkpoint on a bridge at the entrance of the US-led Coalition Provisional Authority (CPA) headquarters in Baghdad. The giant blast occurred just after 7:28 am (0328GMT) as civilians were queuing in their cars to enter the14th of July Bridge, used only by the military and employees of the CPA. AFP PHOTO/Ramzi HAIDAR
BAGHDAD, IRAQ: US soldiers secure the area of a car bomb explosion that killed six Iraqis and one US soldier 06 May 2004 at a checkpoint on a bridge at the entrance of the US-led Coalition Provisional Authority (CPA) headquarters in Baghdad. The blast occurred just after 7:28 am (0328GMT) as civilians were queuing in their cars to enter the14th of July Bridge, used only by the military and employees of the CPA. AFP PHOTO/Ramzi HAIDAR
BAGHDAD, IRAQ - MAY 6: A US Soldier guards the site of a car bomb that was detonated in a checkpoint at the 14th of July bridge May 6, 2004 in Baghdad, Iraq. According to US officials, five Iraqi civilians and one U.S. soldier were killed and 26 people were wounded a car bomb detonated at a checkpoint during morning commute. (Photo by Justin Sullivan/Getty Images)
FALLUJAH, IRAQ - MAY 6: Lieutenant Jason Radion (R) from Pittsburgh, Pennsylvania, rests after standing watch overnight, as US Marines of 2nd Battalion 1st Marine Regiment maintain their cordon at the key flashpoint Fallujah railway station on May 6, 2004 in Iraq. To end a bloody insurgency, Marines have struck a deal with former Iraqi generals of Saddam Hussein's regime to work with soldiers of the Iraq Civil Defense Corps (ICDC) and Iraqi police units. American forces have been under fire during a year of occupation of Iraq, and casualties have surged for the US Marines--especially around Fallujah--making April the most lethal month yet for US forces in Iraq. (Photo by Scott Peterson/Getty Images)
The United States and Britain on May 6, 2004 promised full sovereignty for an Iraqi interim government but several diplomats questioned why Iraqi forces would remain under American military control. Security Council members opened the first informal talks on a new Iraqi resolution, aimed at supporting a caretaker government and its relationship to U.S.-led forces when the occupation officially ends on June 30. Soldiers with the U.S. military's 2nd Battalion, 1st Marines Regiment keep guard near the Golan district of Falluja, Iraq (news - web sites) on May 6. (Adrees Latif/Reuters)
A soldier with the U.S. military's 2nd Battalion, 1st Marines Regiment guards troops as they take positions near the Golan district of Falluja, Iraq (news - web sites) on May 6, 2004. Golan was the site of some the fiercest fighting between guerrillas and U.S. Marines during a month long siege. REUTERS/Adrees Latif
Soldiers from 40 Commando Royal Marines taking positions in Fao, southern Iraq (news - web sites). Britain is to send 800 Royal Marine commandos, among other troops, back to Iraq to replace Spanish forces being withdrawn from the country.(AFP/File/Terry Richards)
Israeli soldiers raid a Palestinian house during a search for militants near a settlers road in the Gaza Strip (news - web sites) May 6, 2004. Ariel Sharon (news - web sites)'s deputy said the Israeli prime minister would push through his Gaza pullout plan virtually unchanged, even as Israel began work on Thursday on a new fence deep in the territory to secure a settler road. (ISRAEL OUT) REUTERS/Gadi Kabalo
Thai soldier checks a motorist outside the town of Pattani, 1,200 km (750 miles) south of Bangkok, in the country's restive south May 6, 2004 after more than 100 militants were killed last week. REUTERS/Darren Whiteside
SABA YOI, THAILAND: Thai military troopers stay alert with their automatic weapons prior to the visit of Prime Minister Thaksin Shinawatra at a public health center in southern Saba Yoi district, 06 May 2004. Thaksin arrived in Thailand's restive Muslim south under tight security, and met with the families of Mulsim militants died in last week's bloody clashes with the security agencies. AFP PHOTO/Pornchai KITTIWONGSAKUL