A U.S. soldier watches as a statue of Iraq's President Saddam Hussein falls in central Baghdad, April 9, 2003. (Photo by Goran Tomasevic/Reuters)





An explosion rocks Baghdad during air strikes, March 21, 2003. (Photo by Goran Tomasevic/Reuters)





A U.S. Navy Hospital Corpsman, assigned to the 1st Marine Division, holds an Iraqi child in central Iraq, March 29, 2003. Confused front line crossfire ripped apart an Iraqi family after local soldiers appeared to force civilians towards positions held by U.S. Marines. (Photo by Damir Sagolj/Reuters)





An Iraqi girl holds her sister as she waits for her mother (R) to bring over food bought in Basra, March 29, 2003. (Photo by Jerry Lampen/Reuters)





A family flees past a destroyed Iraqi T-55 tank after a mortar attack on British Army positions in the southern city of Basra, March 28, 2003. Iraqi forces fired on about 2,000 civilians trying to flee fighting and a humanitarian crisis in the beseiged southern city of Basra, forcing some to turn back. (Photo by Chris Helgren/Reuters)





Soldiers with the 3/21 of the U.S. Army's Stryker Brigade secure a police station which had been over-run by insurgents during heavy fighting in Mosul, November 19, 2004. (Photo by Bob Strong/Reuters)





A U.S. soldier and Iraqi policeman search a room as an Iraqi child sleeps on the bed during a joint raid by the 401 Military Police Company of the U.S. army and the Iraqi police in Tikrit, northwest of Baghdad, September 29, 2003. (Photo by Arko Datta/Reuters)





A detained Iraqi man with a plastic bag covering his head sits in garden of a house searched by U.S. soldiers during a night raid in Tikrit, October 30, 2003. (Photo by Damir Sagolj/Reuters)





U.S. Marine platoon Gunnery Sergeant, Ryan P. Shane (C), from the 1st Battalion of the 8th Marine Regiment and another member of 1/8 pull a fatally wounded comrade to safety while under fire during a military operation in Falluja, December 17, 2004. Seconds later Sgt. Shane was also injured by nearby enemy fire. (Photo by Cpl. Joel A. Chaverri/Reuters/USMC)





A group of Iraqi boys gather to watch smoke billowing from burning oil on the outskirts of the town of Baiji, north of Baghdad, March 15, 2005. (Photo by Sabah Hamid/Reuters)





British troops covered in flames from a petrol bomb thrown during a violent protest by job seekers, who say they were promised employment in the security services, in the southern Iraq city of Basra, March 22, 2004. (Photo by Atef Hassan/Reuters)





An Iraqi man suspected of having explosives in his car is held after being arrested by the U.S army near Baquba, Iraq, October 15, 2005. (Photo by Jorge Silva/Reuters)





Former Iraqi President Saddam Hussein argues with prosecutors while testifying during cross-examination at his trial in Baghdad's Green Zone, April 5, 2006. (Photo by David Furst/Reuters)





A row of U.S. Army helmets perched on M-16 rifles during a memorial at Al Asad air base for the 15 victims of a Chinook helicopter shot down by insurgents, November 6, 2003. (Photo by Chris Helgren/Reuters)





A U.S. soldier displays the picture of the dead Al Qaeda leader in Iraq, Abu Musab al-Zarqawi, during a news conference at the fortified Green Zone in Baghdad, June 8, 2006. (Photo by Ceerwan Aziz/Reuters)





An Iraqi girl holds her hands up while U.S. and Iraqi soldiers search her family house in Baquba, June 30, 2007. (Photo by Goran Tomasevic/Reuters)





An Iraqi police officer checks a donkey, pulling a disabled man on a cart, before allowing it to enter a polling station in the country's second largest city of Basra, January 30, 2005. (Photo by Atef Hassan/Reuters)





Bodies of Iraqis killed in an explosion at a busy market lie inside a hospital morgue in Baghdad, May 9, 2004. (Photo by Damir Sagolj/Reuters)





U.S. soldiers push the car of an Iraqi man to start the engine at a checkpoint in north Baghdad, June 13, 2007. (Photo by Goran Tomasevic/Reuters)





A man runs down a street warning people to flee shortly after a twin car bomb attack at Shorja market in Baghdad, February 12, 2007. (Photo by Ceerwan Aziz/Reuters)





An Iraqi man unbuttons his shirt as U.S. soldiers point their laser sights on him during an operation near Baiji oil refinery, December 24, 2007. (Photo by Bob Strong/Reuters)





Men try to push a vehicle away from the scene of a suicide bomb attack in Baghdad, April 5, 2007. (Photo by Reuters/Stringer)





An Iraqi baby lies in a cradle while a woman argues with U.S. soldiers of 1/8 Bravo Company searching for weapons, explosives and information about militants in the area during a foot patrol in a neighbourhood of Mosul, June 26, 2008. (Photo by Eduardo Munoz/Reuters)





Iraqi police remove a suicide vest from a teenage Iraqi girl in Baquba, August 24, 2008. (Photo by Reuters/Iraqi Police)





An Iraqi boy is taken away from a suspected militant, who has been accused of killing his father at the height of the sectarian slaughter in 2006-07, during a presentation to the media at the Interior Ministry in Baghdad, November 21, 2011. (Photo by Saad Shalash/Reuters)





An explosion is seen during a car bomb attack at a Shi'ite political organisation's rally in Baghdad, April 25, 2014. (Photo by Thaier al-Sudani/Reuters)





Members of the Iraqi Special Operations Forces take their positions during clashes with the al Qaeda-linked Islamic State in the city of Ramadi, June 19, 2014. (Photo by Reuters/Stringer)





Iraqi security forces hold an Islamist State flag near the bodies of dead Islamic State members in the outskirts of Ramadi, December 23, 2014. (Photo by Reuters/Stringer)





Shi'ite fighters fire a rocket during clashes with Islamic State militants in Salahuddin province, March 1, 2015. (Photo by Ahmed Al-Hussaini/Reuters)





A member from the Iraqi security forces beats an Islamic State insurgent, who was captured in Tikrit, April 1, 2015. (Photo by Alaa Al-Marjani/Reuters)





A girl from the minority Yazidi sect, fleeing the violence in the Iraqi town of Sinjar, rests at the Iraqi-Syrian border crossing in Fishkhabour, Dohuk province, August 13, 2014. (Photo by Youssef Boudlal/Reuters)