A helicopter flies at sunset near the airport in Baghdad, Iraq, Sunday, Aug. 17, 2008.
Iraqis, at right, look on as Iraqi police officers, along with U.S. soldiers from Eagle Company, 2nd Squadron, 2nd Stryker Cavalry Regiment search their home in Baqouba, the capital of Iraq's Diyala province, some 45 miles northeast of Baghdad, Sunday, Aug. 17, 2008.
A woman looks on as U.S. army soldiers from Eagle Company, 2nd Squadron, 2nd Stryker Cavalry Regiment search her home in Baqouba, the capital of Iraq's Diyala province, some 45 miles northeast of Baghdad, Sunday, Aug. 17, 2008.
An Iraqi Army helicopter passes behind the Shrine of Imam Hussein in Karbala, Iraq, Saturday, Aug. 16, 2008.
Iraqi Army soldiers from the 1st Battalion, 53rd Brigade, stand by automatic weapons and a suspect captured when they raided houses in the Jihad area of west Baghdad, Iraq, Saturday, Aug. 16, 2008.
An Iraqi woman walks past the scene after a car bomb struck Shiite pilgrims boarding minibuses in the mainly Shiite district of Shaab in Baghdad, Iraq, Saturday, Aug. 16, 2008, killing six and wounding 11 according to police and medical officials.
Shiite pilgrims celebrate the climax of a major religious festival at night in Karbala, Iraq, Saturday, Aug. 16, 2008. The Shabaniyah festival in Karbala marked the birth of Mohammed al-Mahdi, the 12th Shiite imam who disappeared in the 9th century.
Iraqi policemen deploy in the Wadi al-Salam cemetery in Najaf, Iraq, Friday, Aug. 15, 2008.
Worshippers perform Friday prayers and listen to sermons in the Shiite enclave of Sadr City in Baghdad, Iraq, Friday, Aug. 15, 2008.
An Iraqi policeman, seen in front of the Shrine of Imam Abbas, provides security as Shiite pilgrims arrive for a major religious festival in Karbala, Iraq, Friday, Aug. 15, 2008.
Iraqi policewomen search female Shiite pilgrims as they make their way to a major religious festival, in Latifiyah, about 20 miles south of Baghdad, in Iraq, Friday, Aug. 15, 2008.
Shiite pilgrims make their way towards Karbala on foot to a major religious festival, in Latifiyah, about 20 miles south of Baghdad, in Iraq, Friday, Aug. 15, 2008.
Iraqi policewomen, right and facing camera left at rear, search female Shiite pilgrims as they make their way to a major religious festival, in Latifiyah, about 20 miles south of Baghdad, in Iraq, Friday, Aug. 15, 2008.
Shiite pilgrims walk past a pile of shoes belonging to the victims of Thursday's suicide bombing, in Iskandariyah, Iraq, Friday, Aug. 15, 2008.
The grandmother of suicide bomb victim Ali Ahmed Jassim wails as his body is taken away from the hospital in Iskandariyah, Iraq, Friday, Aug. 15, 2008.
Sunni Sheiks arrive for an Awakening Council meeting in Tarmiyah, 30 miles north of Baghdad in Iraq, Thursday, Aug. 14, 2008.
U.S. Army soldiers investigate a suspicious noise, during a visit to the al-Faw school in the Shiite enclave of Sadr City in Baghdad, Iraq, Thursday, Aug. 14, 2008. The source of the noise was discovered to be a broken window banging in the wind.
Shiite religious pilgrims arrive for a major religious festival in Karbala, Iraq, Thursday, Aug. 14, 2008.
An Iraqi soldier from the 1st Battalion, 17th Iraqi Army Division, holds an Iraqi flag during a handover ceremony with the U.S. military, in Latifiyah, about 20 miles south of Baghdad in Iraq, Tuesday, Aug. 12, 2008.
A man gestures as he talks to U.S. army soldiers from Lion Battery, Sabre Squadron, 3rd Armored Cavalry Regiment while they patrol through the southern outskirts of Balad Ruz, in Iraq's Diyala province, some 50 miles northeast of Baghdad, Iraq, Wednesday, Aug. 13, 2008.