A look back at 10 years of war in Iraq

FILE - A volunteer puts flowers next to a cross at the Arlington West Iraq war memorial display on the beach next to the Santa Monica Pier in Santa Monica, Calif. on Saturday May 27, 2006. (AP Photo/Stefano Paltera, File)

FILE - U.S. Marine Lance Cpl. Timothy Dupuis, of Dover, N.H., climbs the stairs at an outpost in Fallujah, Iraq, 65 kilometers (40 miles) west of Baghdad, on Tuesday, May 2, 2006. (AP Photo/Jacob Silberberg, File)

FILE - A protestor is detained on Capitol Hill in Washington on Monday, Oct. 22, 2007 after blocking a roadway near the Capitol as anti-war and clean energy groups gathered for non-violent civil disobedience. (AP Photo/Caleb Jones, File)

FILE - U.S. Marines play football in Karabilah, Iraq, near the Syrian border, on Thursday, Nov. 24, 2005 during Thanksgiving celebrations. (AP Photo/Jacob Silberberg, File)

FILE - U.S. Army Nurse supervisor Patrick McAndrew tries to save the life of an American soldier by giving him CPR on a stretcher as he arrived at a military hospital in Baghdad, Iraq on Tuesday, Nov. 9, 2004. The soldier was fatally wounded in a Baghdad firefight with insurgents. (AP Photo/John Moore, File)

FILE - Relatives of Iraqi National Guard soldier Ryaad Khudayar grieve at the morgue in the Baqouba hospital, some 65 kilometers northeast of Baghdad, Iraq, after he was killed in a car blast on Tuesday, Aug. 3, 2004. A car bomb exploded Tuesday at an Iraqi National Guard checkpoint outside the city of Baqouba, killing at least four guardsmen and wounding six others. (AP Photo/Khalid Mohammed, File)

FILE - Lt. Col. Garry Bush, in charge of the munitions demolition project, watches smoke after a planned explosion of 24 tons of munitions in a storage site next to the village of Aswalim, Iraq, about 100 kilometers southeast of Baghdad, on Sunday, June 10, 2007. (AP Photo/Petros Giannakouris, File)

FILE - U.S. Army soldiers from Killer Troop, Third Squadron, Third Armored Cavalry Regiment rest on mattresses in their makeshift barracks at Combat Outpost Rabiy in Mosul, Iraq, 360 kilometers (225 miles) northwest of Baghdad, on Tuesday, March 18, 2008. (AP Photo/Maya Alleruzzo, File)

FILE - In this Dec. 14, 2008 file photo, Muntadhar al-Zeidi, an Iraqi journalist, throws a shoe at U.S. President George W. Bush during a news conference with Iraq Prime Minister Nouri al-Maliki in Baghdad, Iraq. Al-Zeidi was discharged from prison on Sept. 14, 2009 after getting early release for good behavior, his lawyer said Saturday. (AP Photo/Evan Vucci, File)

FILE - This image made from a video from a U.S. Army Apache helicopter gun sight, posted at Wikileaks.org and confirmed as authentic by a senior U.S. military official, shows two men in the streets of the New Baghdad district of eastern Baghdad after being fired upon by the helicopter on July 12, 2007. Among those killed in the attack was Reuters photographer Namir Noor-Eldeen, 22, and his driver Saeed Chmagh, 40. Two children also were wounded. According to U.S. officials, two helicopters arrived at the scene to find a group of men approaching the fight with what look to be AK-47s slung over their shoulders and at least one rocket-propelled grenade. A military investigation later concluded that what was thought to be an RPG was a telephoto lens and the AK-47 was a camera. (AP Photo/Wikileaks.org, File)

FILE - This image made from video released by Iraqi state television shows Saddam Hussein's guards wearing ski masks and placing a noose around the deposed leader's neck moments before his execution on Saturday, Dec. 30, 2006. (AP Photo/Iraqi state television, File)

FILE - An Iraqi prisoner of war comforts his 4- year-old son at a regrouping center for POWs captured by the U.S. Army 101st Airborne Division near Najaf, Iraq on March 31, 2003. The man was seized in An Najaf with his son, and the U.S. military did not want to separate the two. (AP Photo/Jean-Marc Bouju, File)

FILE - In this Monday, Aug. 8, 2011 photo, U.S. Army Pvt. 1st Class David Hedge from Bealeton, Va., foreground, and fellow soldiers from 1st Battalion, 18th Infantry Regiment are enveloped in rotor wash moments after arriving by Blackhawk helicopter for an operation to disrupt weapons smuggling in Istaqlal, Iraq, north of Baghdad. (AP Photo/Maya Alleruzzo, File)

FILE - A suspected al-Qaida member is detained in an Iraqi SWAT raid in Latifiyah, Iraq on Saturday, March 16, 2013. An al-Qaida-affiliated group in Iraq claimed responsibility for a carefully planned assault on the Justice Ministry in downtown Baghdad the previous week, less than a week before the 10th anniversary of the U.S.-led invasion of Iraq, showing how vulnerable the country remains to insurgent attacks. (AP Photo/Alaa al-Marjani, File)

Flowers and a happy birthday balloon are placed at the tombstone of Army Sgt. Dale Brehm in Section 60 of Arlington National Cemetery Tuesday, March 19, 2013, in Arlington, Va. Brehm died during the Iraq war. March 20, 2013, marks the 10th anniversary of the U.S.-led invasion of Iraq. (AP Photo/Alex Brandon)

Ryan Lamke of Washington, sits by the grave of his fellow U.S. Marine, Cpl. Benny G. Cockerham III, in Section 60 of Arlington National Cemetery Tuesday, March 19, 2013, in Arlington, Va. Lamke visits his friends grave about once a month. Capt. Tyler Swisher, Navy Petty Officer 3rd Class Chris Thompson, and Marine Lance Cpl. Kenneth Butler also died with Cocherham when their Humvee was attacked by an improvised explosive device. March 20, 2013, marks the 10th anniversary of the U.S.-led invasion of Iraq. (AP Photo/Alex Brandon)

A photograph is attached to the back of the tombstone of Army 1st Lt. Thomas J. Brown in Section 60 of Arlington National Cemetery Tuesday, March 19, 2013, in Arlington, Va. Brown was a casualty of the Iraq war. March 20, 2013, marks the 10th anniversary of the U.S.-led invasion of Iraq. (AP Photo/Alex Brandon)

Chart shows U.S. deaths in Iraq and Iraqi ethnic groups

In this Wednesday, March 13, 2013 photo, Iraqi policeman Ahmed Naji stands on the grounds of the Iraqi National Museum at the site of an Associated Press photograph by Murad Sezer showing a U.S. Army tank parked outside the Iraqi National Museum in Baghdad on Tuesday, May 6, 2003. Tens of thousands of artifacts chronicling some 7,000 years of civilization in Mesopotamia are believed to have been looted from Iraq in the chaos which followed the the US-led invasion in 2003. Despite international efforts to track items down, fewer than half of the artifacts have so far been retrieved. (AP Photo/Maya Alleruzzo)

This Thursday, March 14, 2013 photo shows a general view of the crossed swords monument at the site of an Associated Press photograph taken by Karim Kadim of U.S. soldiers taken on Nov. 16, 2008. The crossed-sword archways Saddam Hussein commissioned during Iraq’s nearly eight-year war with Iran stand defiantly on a little-used parade ground inside the Green Zone, the fortified district that houses the sprawling U.S. Embassy and several government offices. Iraqi officials began tearing down the archways in 2007 but quickly halted those plans and then started restoring the monument two years ago. (AP Photo/Maya Alleruzzo)

In this Wednesday, March 13, 2013 photo, Iraqi policeman Ahmed Naji stands on the grounds of the Iraqi National Museum at the site of an Associated Press photograph of U.S. soldiers on guard outside the museum taken by Anja Niedringhaus on Nov. 11, 2003. Tens of thousands of artifacts chronicling some 7,000 years of civilization in Mesopotamia are believed to have been looted from Iraq in the chaos which followed the the U.S.-led invasion in 2003. Despite international efforts to track items down, fewer than half of the artifacts have so far been retrieved. (AP Photo/Maya Alleruzzo)

This Tuesday, March 12, 2013 photo shows a general view of Abu Nawas Street in Baghdad, Iraq, at the site of a photograph of Iraqi orphan Fady al-Sadik waking on the street, taken by photographer Maya Alleruzzo in April, 2003. The park that runs along Abu Nawas Street, named for an Arabic poet, is now a popular destination for families who are drawn by the manicured gardens, playgrounds and restaurants famous for a fish called mazgouf. Ten years ago, the park was home to a tribe of children orphaned by the war and was rife with crime. (AP Photo/Maya Alleruzzo)