An undated handout image provided by Boeing Co shows a U.S. Air Force F-16 releasing a so-called Laser Joint Direct Attack Munition, or LJDAM, equipped bomb during a recent test flight out of Elgin Air Force Base in Florida. The laser sensor for final guidance was delivered April 2008 to the U.S. Air Force under an initial $28 million contract for 600 kits awarded in May 2007. The kit goes on the nose of a JDAM-equipped bomb, a mainstay of the U.S. Military in Iraq and Afghanistan. (REUTERS/Boeing/Handout). April 30, 2008

A caisson carrying the casket of U.S. Marine Major William Gregory Hall arrives for burial services at Arlington National Cemetery, outside Washington, DC, April 23, 2008. Hall, a 38-year-old father of four from Seattle, Washington, was killed on March 29, 2008 when his vehicle was hit by an IED, while on patrol in Fallujah, Iraq. (REUTERS/Stelios Varias). April 28, 2008

Children talk to a U.S. soldier in Abu Dsheer district in southern Baghdad April 25, 2008. (REUTERS/Mahmoud Raouf Mahmoud). April 26, 2008

This undated family photo received in 2007 shows US Army SFC Trey Corrales(R) briefing Iraqi force commander General David Petraeus in Iraq. Corrales was charged with shooting dead an Iraqi prisoner last year and his attorney told a military jury Wednesday that his client acted in self-defense. (AFP/HO). April 24, 2008

A U.S. Army soldier from B Company, 1st Squadron, 2nd Stryker Cavalry searches a home in the Sadr City, Baghdad, on Monday, April 21, 2008. No Iraqi is safe from warrantless searches by foreign troops in the so-called "Democracy" of Iraq. (AP Photo/Maya Alleruzzo). April 22, 2008

Children attempt to shake hands with a U.S. soldier of Alpha Troop, 3-89 CAV while on patrol in central Baghdad's Fadhil district April 16, 2008. (REUTERS/Erik de Castro). April 19, 2008

U.S. Army Gen. David Petraeus, center, the top commander in Iraq, prays at a memorial service for three soldiers from soldiers from B Company, First Squadron, Second Stryker Cavalry Regiment in Baghdad, Iraq on Wednesday, April 16, 2008. The soldiers were killed in combat in the Shiite stronghold of Sadr City: Staff Sgt. Joseph Gamboa on March 25, Sgt. Michael Lilly and Cpl. Jason Kazarick on April 7. (AP Photo/Maya Alleruzzo). April 17, 2008

U.S. female soldiers frisk women during the distribution of seedlings and fertilizer to residents in Ramadi, April 13, 2008. (REUTERS/Ali Mashhadani). April 15, 2008

U.S. Army soldiers from First Squadron, Second Stryker Cavalry Regiment pay their respects to their comrade, Cpl. Steven Candelo during a memorial service in Baghdad, Iraq on Sunday, April 13, 2008. Cpl. Candelo, 21, from Houston, Texas, was killed by a roadside bomb in Sadr City on March 26.
(AP Photo/Maya Alleruzzo). April 14, 2008

U.S. Army Warrant Officer Leslie "Scott" Henry (L) teaches Warrant Officer Stormy Ripley how to fish in a lake surrounding a former palace of Saddam Hussein at the U.S. headquarters Camp Victory in western Baghdad April 13, 2008. Henry is an experienced fisherman who helps other soldiers learn how to fish at the Baghdad Angler's Club and School of Flyfishing set up by U.S. troops.
REUTERS/Peter Graff). April 13, 2008

U.S. soldiers guarding Baghdad's Palestine Hotel after a rocket attack April 11, 2008. A missile ripped a hole in the second floor of the Palestine Hotel in central Baghdad, killing three civilians outside the hotel, police said. (REUTERS/Mahmoud Raouf Mahmoud). April 12, 2008

U.S. Army Sgt. Jon Fleenor from Sacramento, Calif., holds the scorched teddy bear, given to him by his wife and which he carries as a good-luck charm, in Mosul, northwest of Baghdad, Iraq, on Thursday, March 27, 2008. After surviving a roadside bomb attack with the stuffed animal beside him, Fleenor doesn't like to part from it. 'I don't necessarily believe in it, but when I don't take it out when I go out one day, if I forget it, I don't feel right. So I guess it works. I'm still alive so far,' he said.
(AP Photo/Maya Alleruzzo). April 10, 2008

Members of CodePink protest as US Commander in Iraq Gen. David Petraeus and Ambassador to Iraq Ryan Crocker testify before the Senate Foreign Relations Committee on Capitol Hill in Washington April 8, 2008. (Richards/Getty). April 09, 2008

A protester holds a sign in the back of the room as US Commander in Iraq General David Petraeus and Ambassador to Iraq Ryan Crocker testify before the Senate Foreign Relations Committee on Capitol Hill in Washington April 8, 2008.
(Jonathan Ernst/Reuters). April 09, 2008

A US soldier patrols a street in the town of Adwaniyah, just south of Baghdad on March 7. (AFP/Ali Yussef). April 06, 2008

U.S. Army soldiers inspect the scene of a car bomb in Baghdad, Iraq, Thursday, April 3, 2008. American troops are blamed for conditions in the country as the occupation continues to drag on. (AP Photo/Hadi Mizban). April 04, 2008

U.S. Army Sgt. Jacqueline McCloud, 29, left, and her husband, Sgt. Jason McCloud, 24, right, kiss in the doorway of the small cargo container they share at Forward Operating Base Marez in Mosul. The two, who have two small children, are deployed together with the 3rd Armored Cavalry Regiment. The Army is allowing scores of husband-and-wife soldiers to live and sleep together in the war zone -- a move aimed at preserving marriages, boosting morale and perhaps bolstering re-enlistment rates at a time when the military is struggling to fill its ranks five years into the fighting. (AP Photo/Maya Alleruzzo). April 02, 2008

Don Zirkel of Bethpage, NY was arrested on Saturday after he and his wife went into a shopping mall. After he declined mall security's request to either turn the T-shirt inside out or leave, he said police put him in a wheelchair and escorted him from the mall. Suffolk police charged him with criminal trespassing and resisting arrest.. (Photo by James A. Escher/Newsday). April 01, 2008

US soldiers read verses as they celebrate Easter with a sunrise service at Camp Victory, in Baghdad, Iraq, Sunday, March 23, 2008. (AP photo/Dusan Vranic). March 31, 2008

Noah Simpson of Michigan shields his face from the Texas sun with a sign declaring his father 1st Lt. Michael Simpson of the 126 A troop, his American hero during a farewell ceremony for 2,400 soldiers from the 37th Infantry Brigade Combat Team going to Iraq, Thursday afternoon, March 27, 2008,at Fort Hood. (AP Photo/ Killeen Daily Herald, David Morris). March 30, 2008

Seth Dupont, a 17-year-old high school junior, cries as his father, U.S. National Guard Lt. Col. Daniel Dupont, tells him he is proud of him via video teleconference from his post in Iraq during a call in which Dupont swore his son in to the U.S. Army National Guard at the Westover Air Reserve Base, in Chicopee, Mass., Thursday, March 27, 2008. Dupont was not expecting his father to administer the oath. (AP Photo/Peter Pereira, The Standard Time). March 28, 2008

US soldiers sleep in the bedroom of Iraqi home that they have occupied during the launch of Operation Grim Ghost in the deserts of the Diyala Province, on March 23. (AFP/David Furst). March 25, 2008

Graphic charting the number of US soldiers killed in Iraq each year since 2003. (AFP Graphic). March 24, 2008

Army chaplains preparing to deploy to Iraq listen during a training session at Fort Hood, Texas, Friday, Feb. 22, 2008. (AP Photo/LM Otero). March 20, 2008

A US soldier rests in the Diyala region. Suicides, family breakups, depression and social stigma are just some of the hidden legacies of the Iraq war among the more than one million US troops who have served in the campaign (AFP/David Furst). March 17, 2008

US soldiers rest on a car during an operation to ivestigate sectarian violence that has looted and burned a remote village in the restive Diyala Province, northeast of Baghdad. (AFP/David Furst). March 14, 2008

An Iraqi Sunni fighter allied with the US against Al-Qaeda in Iraq shares a video on his mobile phone with a US soldier in the restive Diyala province, located northeast of Baghdad, on March 11, 2008. (AFP/David Furst). March 12, 2008

Spc. Billy Lake, from Wisconsin Dells, Wisc., of 3rd Brigade Combat team, 3rd Infantry Division puts a cross in the window of a humvee military vehicle before the start of a joint US-Georgia Army patrol at camp Cleary in Wahida , about 19 miles southeast of Baghdad, on Sunday, March 9, 2008. (AP Photo/Petros Giannakouris). March 10, 2008

US and Iraqi soldiers patrol an area during a joint military operation on the outskirts of Baqouba in January 2008. (AP Photo). March 8, 2008

U.S. soldiers relax in the back of their Bradley fighting vehicle, with one reading Penthouse magazine, before going on a mission into Samarra, Iraq, December 17, 2003. (REUTERS/Stefan Zaklin/POOL). March 6, 2008

A U.S. soldier looks at a poster on the wall during a patrol in Baghdad's Adhamiya district February 29, 2008. The writing on the poster reads "Baghdad my love". (REUTERS/Mahmoud Raouf Mahmoud). March 4, 2008

A U.S. soldier of Charlie Company 1-15 Infantry, 3rd Brigade Combat team, 3rd Infantry Division, passes next to a wall painted with the Iraqi flag during a routine patrol in Salman Pak, Saturday, March 1, 2008. (AP Photo/Petros Giannakouris). March 2, 2008

A U.S. soldier of Bravo Company, 2/69 Armor Battalion, 3rd Brigade, 3rd Infantry Division secures the area during patrol at Zytun village south of Baghdad, Iraq, Sunday, Feb 24, 2008. (AP Photo/Petros Giannakouris). February 25, 2008

A U.S. soldier greets a boy who just returned with his family to their home in Baghdad's al-Amil district February 23, 2008. About 100 displaced family were returned to their homes in Baghdad's al-Amil district on Saturday, a police officer said. (REUTERS/Mohammed Ameen). February 23, 2008

U.S. soldiers work at their new outpost, Carver, which is being built in Salman Pak, about 25 miles south of Baghdad, February 16, 2008. U.S. officers say security in Salman Pak has improved. The additional outpost is being built on the outskirts of town to make sure those gains are not lost. (REUTERS/Mahmoud Raouf Mahmoud). February 19, 2008

American soldiers hold defensive positions as they patrol central Baghdad, Iraq, Sunday, Feb. 17, 2008. A year after the "surge" began, an increasing number of American soldiers are tied up providing neighborhood "protection". (AP Photo/Khalid Mohammed). February 17, 2008

Soldiers with the 82nd Airborne Division and 1st Infantry Division enjoy some computer time in their camp's newly-opened internet cafe in this Thursday, Jan. 15, 2004 photo near Fallujah, Iraq. (AP Photo/Julie Jacobson). February 15, 2008

A US soldier scans the area as he takes position during a patrol in Baghdad's Haifa street. US forces will remain in Iraq beyond the end of the current UN mandate, but a continued US troop presence will not tie the hands of a future US president, Secretary of State Condoleezza Rice and Defense Secretary Robert Gates wrote in a newspaper column Wednesday.
(AFP/Ali Yussef). February 14, 2008

US soldiers watching as a building is destroyed by an airstrike in Diyala province near Baqouba, northeast of Baghdad on February 4. (AFP//Ricky Bloom). February 121, 2008

U.S. Army soldiers with the 2nd Battalion, 319th Airborne Field Artillery Regiment study a map in a house they are occupying during a search in the Azamiyah neighborhood in north Baghdad, Iraq, Sunday, Feb. 10, 2008. (AP Photo/Anja Niedringhaus). February 10, 2008

A US soldier walks past an outpost of a local militia in Baghdad. (AFP/Ali Yussef). February 10, 2008

A US soldier patrols an area in Baghdad's al-Amil neighbourhood. (AFP/Ali Al-Saadi). February 9, 2008

An Army honor guard carries the remains of Army Spc. Christopher West, during funeral services, Wednesday, Feb. 20, 2008, at Arlington National Cemetery in Arlington, Va. West, 26, of Arlington, Texas, died Feb. 4, 2008, in Balad, Iraq, of wounds suffered on Feb. 3 in Muqdadiyah, Iraq, when an IED detonated during combat operations.
(AP Photo/Haraz N. Ghanbari). February 20, 2008

In this undated photo released by the U.S. Army's 82nd Airborne Division on Feb. 5, 2008, is shown Cpl. Christopher J. West, 26, of Arlington, Texas. West died of wounds sustained when an improvised explosive device detonated while on a dismounted patrol in Muqdadiyah, Iraq on Sunday, Feb. 3, 2008. West was a Combat Medic with 1st Squadron, 73rd Cavalry Regiment, 2nd Brigade Combat Team (BCT), 82nd Airborne Division.
(AP Photo/82nd Airborne Division). February 7, 2008

U.S. Army soldiers from Alpha Company, 1st Battalion, 30th Infantry Regiment patrol in Beijia village in Arab Jabour, on Thursday, Jan. 31, 2008. (AP Photo/Maya Alleruzzo). February 6, 2008

U.S. Army Staff Sgt. William Lambert, 30, from Plainview, Ark., shows photographs of his children to Iraqi children in Beijia village in Arab Jabour, Monday, Feb. 4, 2008. (AP Photo/Maya Alleruzzo). February 5, 2008

U.S. Army Sgt. Chad Price, 27, from Fort Dodge, Iowa writes his wedding vows on a ration box during a break in Operation Coliseum with Alpha Company, 1st Battalion, 30th Infantry Regiment in Arab Jabour, south of Baghdad, on Thursday, Jan. 31, 2008. Sgt. Price plans to marry his sweetheart, Christina Shoemaker, during his midtour leave on Feb. 22. (AP Photo/Maya Alleruzzo). February 4, 2008

U.S. Army Staff Sgt. Leroy Hosley, 28, from Redding, Calif. of Alpha Company, 1st Battalion, 30th Infantry Regiment warms himself by a campfire at a house the company occupies in Arab Jabour, south of Baghdad, on Saturday, Feb. 2, 2008. More than 4.2 million Iraqis have been forced from their homes due to the war, 2 million are refugees in their own country. (AP Photo/Maya Alleruzzo). February 3, 2008

U.S. Army Sgt. Steve Stutzman, 32, from Nappanee, Ind. patrols with Alpha Company, 1st Battalion, 30th Infantry Regiment in Arab Jabour, south of Baghdad, Iraq on Wednesday, Jan. 30, 2008.
(AP Photo/Maya Alleruzzo). January 31, 2008

U.S. Army soldiers from Alpha Company, 1st Battalion, 30th Infantry Regiment brace themselves as a helicopter lands in Beijia village in Arab Jabour, south of Baghdad, Iraq on Wednesday, Jan. 30, 2008. (AP Photo/Maya Alleruzzo). January 30, 2008

A US soldier secures an area after finding a road-side bomb at Al-Jara on the outskirts of Baghdad. (AFP/Jewel Samad). January 27, 2008

U.S. Army Sgt. Michael Chapman, 21, from Jumpertown, Miss. digs a latrine at a house occupied by Alpha Company, 1st Battalion, 30th Infantry Regiment in Arab Jabour during Operation Coliseum south of Baghdad, Jan. 24, 2008. The Iraqi family who owns the home are now refugees in their own country. (AP Photo/Maya Alleruzzo). January 25, 2008

U.S. Army soldiers from Alpha Company, 1st Battalion, 30th Infantry Regiment pause for lunch is a house they occupy in Arab Jabour during Operation Coliseum south of Baghdad, Iraq on Wednesday, Jan. 23, 2008. (AP Photo/Maya Alleruzzo). January 23, 2008

U.S. Marine veteran of the Iraq war Mike Lally appears in his living quarters in a veterans homeless shelter, in Leeds, Mass., Thursday, Dec. 6, 2007. Lally did two tours of duty in Iraq while serving with the U.S. Marine Corps. (AP Photo/Steven Senne). January 20, 2008

Kris Weaver photographs herself kissing her husband, Spc Lee Weaver, during a homecoming ceremony for the 1st Cavalry Division's 1st Brigade Special Troops Battalion Tuesday Jan. 15, 2008 in Fort Hood, Texas. Weaver and about 110 1st Cav. soldiers returned from Iraq Tuesday. (AP Photo/ Killeen Daily Herald, John A. Bowersmith). January 17, 2008

Raul Bravo holds a picture and the Mexican flag at the grave of his U.S. Marine son Raul Bravo, Jr., in Las Vegas, Nevada, January 10, 2008. Bravo Jr. was killed while serving in Iraq at age 21. As Bravo's divorced parents and three sisters in Las Vegas consider how to vote in the January 19 presidential caucus in Nevada, they disagree about the lessons of his death. (REUTERS/Rick Wilking). January 14, 2008

US soldiers from the 2nd Squadron, 2nd Stryker Cavalry Regiment, storm a house from the roof top as they search for a suspected militant during a raid in Baghdad, January 12. No warrants are used and every Iraqi is subject to such searches more than 2 years after approval of a new Iraqi Constitution. (AFP/Jewel Samad). January 13, 2008

A woman cries as she pleads with a U.S. army soldier from Ghostrider Company, 3rd Squadron, 2nd Stryker Cavalry Regiment, as the rest of his unit search a home during Operation Phantom Phoenix in the village of Abu Musa on the northern outskirts of Muqdadiyah, Jan. 10, 2008. Almost every home in the region is being searched. (AP Photo/Marko Drobnjakovic). January 11, 2008

A child shakes hands with a U.S. soldier from 2nd Brigade combat team, 82nd Airborne standing guard in Baghdad's Adhamiya district January 5, 2008. (REUTERS/Mahmoud Raouf Mahmoud). January 06, 2008

A picture released in 2007 by the US army shows a CH-47 Chinook helicopter in an air assault mission during Operation Lightning Hammer in Diyala province, 14 August 2007. The Iraqi army ordered an indefinite ban on vehicle traffic from Friday morning across Diyala province, north of the capital, one of the most dangerous areas of the country. (AFP/US ARMY-HO/File/1st Class Robert Brogan). January 04, 2008

U.S. army soldiers from Chief Company, 2nd Battalion, 12th Infantry Regiment secure a street after throwing smoke grenades during a foot patrol in Baqouba, Sunday, Dec. 30, 2007. (AP Photo/Marko Drobnjakovic). January 02, 2008

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An Iraqi fish farmer shows a carp to US soldiers in the Sunni Arab farmlands of Khidr near Iskandariyah. With the season short, farmers in Khidr are scrambling to get their dams restored and restocked with common, grass and silver carp as quickly as possible. (AFP/Ali Yussef). April 29, 2008

U.S. Army Sgt. Derek Arnold, 24, from Boring, Ore. waits to go before the promotion board at an outpost for B Company, 1st Squadron, 2nd Stryker Cavalry Regiment in Sadr City, Baghdad, on Monday, April 21, 2008. (AP Photo/Maya Alleruzzo). April 23, 2008

U.S. soldiers stand guard outside a shop in central Baghdad's Shorja market in this April 16, 2008 (REUTERS/Erik de Castro). April 21, 2008

An Iraqi boy watches U.S. Army soldiers from the B Company, First Squadron, Second Stryker Cavalry Regiment search his family's home in the Shiite stronghold of Sadr City in Baghdad, Wednesday, April 16, 2008. (Photo: AP Photo/Maya Alleruzzo). April 20, 2008

U.S. soldiers patrol central Baghdad's Fadhil neighbourhood, April 16, 2008 (REUTERS/Erik de Castro). April 20, 2008

A U.S. soldier walks past a bullet riddled house during a patrol in central Baghdad's Fadhil neighbourhood, April 16, 2008. (REUTERS/Erik de Castro). April 18, 2008

U.S. troops stationed in Iraq enjoy popcorn treats donated through the annual Boy Scout popcorn sale. (PRNews/Trail's End Popcorn). April 16, 2008

A U.S. soldier from Bravo Company, 1st Battalion, 64th Armor Regiment plays computer games at the barracks of U.S. and Iraqi military Joint Security Station (JSS) in western Baghdad's Jamia district April 10, 2008. (REUTERS/Erik de Castro). April 11, 2008

U.S. soldiers from Bravo Company, 1st Battalion, 64th Armor Regiment talk to a shop owner in western Baghdad's Jamia district April 10, 2008. (REUTERS/Erik de Castro). April 11, 2008

A U.S. soldier frisks a resident during a joint search operation with Iraqi forces in Abu Ghraib, 20 miles west of Baghdad, April 6, 2008. (REUTERS/Stringer). April 08, 2008

An Iraqi man raises his hands as the men in his family are detained for questioning in Mosul, on Sunday, April 6, 2008. (AP Photo/Maya Alleruzzo). April 07, 2008

A girl looks at a U.S. soldier patrolling a road in Mussayab, a predominately Shi'ite neighbourhood 40 miles south of Baghdad April 2, 2008. (REUTERS/Ceerwan Aziz). April 05, 2008

Major General Rick Lynch, commander of US forces in central Iraq, flies in a Blackhawk helicopter on his way to a forward operating base, south of Baghdad, in August 2007. Lynch is on his third tour of duty in Iraq with the army's Third Infantry Division. His soldiers were the first to enter Iraq in March 2003 and also the first to reach Baghdad. He is responsible for much of the destruction and many of the war crimes that have been committed by his soldiers. (AFP/File/David Furst). April 03, 2008

A U.S. Army soldier from K Troop, Third Squadron, Third Armored Cavalry Regiment stands guard as an Iraqi man is searched after a rocket propelled grenade attack on U.S. troops in Mosul, on Monday, March 31, 2008. (AP Photo/Maya Alleruzzo). April 01, 2008

Staff Sgt. Kimberly Kaminski arrives at McGuire Air Force Base in New Jersey with a teddy bear in her backpack as her father, Bob Kaminski looks on Monday, March 24, 2008. Kaminski of Manville, N.J., was one of 50 members of the New Jersey Air National Guard who returned to McGuire Monday after serving six months in Iraq. (AP Photo/Mike Derer). March 29, 2008

U.S. Army Staff Sgt. Chad Caldwell, 24, from Spokane, Wash., plays golf as his comrades from K Troop, Third Squadron, Third Armored Cavalry Regiment, look on at Combat Outpost Rabiy in Mosul, Iraq Tuesday, March 25, 2008. (AP Photo/Maya Alleruzzo). March 27, 2008

A U.S. Army soldier from K Troop, Third Squadron, Third Armored Cavalry Regiment, exits a warehouse after searching for bomb-making materials in Mosul, Tuesday, March 25, 2008.
(AP Photo/Maya Alleruzzo). March 26, 2008

US soldiers take up positions to provide cover for fellow soldiers in the Shaab neighbourhood of northern Baghdad in 2007. Five years after the was and occupation began, this is what "Democracy" looks like in Iraq. (AFP/File/David Furst). March 21, 2008

Anti-war activists protest outside the US Capitol in Washington, DC. Opponents of the Iraq war plan to hold marches, sit-ins and other protests on Wednesday in cities across the United States to mark the fifth anniversary of the US-led invasion.
(AFP/GETTY IMAGES/Win McNamee). March 19, 2008

An Iraqi boy mimics a US soldier during a patrol in the restive Diyala province on March 17. (AFP/David Furst). March 18, 2008

A US soldier coaches Iraqi soldiers on how to detain a prisoner during a training exercise in Diyala province. (AFP/File/David Furst). March 16, 2008

U.S. Army Sgt. Ryan Kahlor listens for sounds as his hearing is tested by audiologist Derin Wester, right, at Balboa Navy Medical Center in San Diego, Feb. 6, 2008. Kahlor's hearing was damaged by exposure to multiple IAD blasts in Iraq. Many soldiers and Marines returning from Iraq and Afghanistan are suffering from noise-induced hearing loss, a condition audiological specialists now consider an 'epidemic' within the military.
(AP Photo/Denis Poroy). March 15, 2008

A U.S. soldier drinks water as he stands guard near residents waiting their turn to receive water filters distributed by the U.S. and Iraqi forces in Mahmoudiya, 20 miles south of Baghdad, March 12, 2008. (REUTERS/Ibrahim Sultan). March 13, 2008

A US soldier searches for buried weapons during a patrol in Diyala Province, northeast of Baghdad. (AFP/David Furst). March 11, 2008

A U.S. soldier aims his rifle at a dog while patrolling the streets, during the second day of the Sukhumi clearing operation in Al-leg, Iraq on Saturday, March 8, 2008. (AP Photo/Petros Giannakouris). March 9, 2008

A US soldier of Delta company 3rd Brigade Combat team, 3rd Infantry Division, guard a house during a routine meeting with local leaders at Salman Pak on Wednesday, March. 5, 2008. (AP Photo/Petros Giannakouris). March 7, 2008

US soldiers inspect the site of a suicide attack which targeted a checkpoint for anti al-Qaeda militiamen in the city of Samarra. (AFP/Mahmoud al-Samarraei). March 5, 2008

SGT Michael Wolonsky from New Mexico, of Charlie Company 1-15 Infantry, 3rd Brigade Combat team, 3rd Infantry Division, rides a bicycle as an Iraqi child runs behind him during a routine patrol at Vinjan village about 50 kilometers, south of Baghdad, on Saturday, March. 1, 2008.
(AP Photo/Petros Giannakouris). March 3, 2008

The top U.S. commander in Iraq Gen. David Petraeus, left, interrupts a youth soccer tournament in central Baghdad, Iraq, Saturday, March 1, 2008 for a photo opportunity. Gen. Petraeus will ask President Bush to wait until as late as September to decide when to bring home more troops than already scheduled, a senior administration official said Friday. (AP photo/Dusan Vranic). March 1, 2008

A US soldier of Bravo Company, 2/69 Armor Battalion, 3rd Brigade, 3rd Infantry Division secures the area as aonother search Iraqi cars as they conducting a patrol at a check point in Radwaniyah south of Baghdad, on Monday, Feb. 25, 2008. (AP Photo/Petros Giannakouris). February 26, 2008

A Turkish army Super Cobra helicopter takes off from a military base en route for Iraq in Cukurca in Hakkari province at the Turkey-Iraq border, Sunday, Feb. 24, 2008, F-16 fighters and helicopters, sold to Turkey by the U.S., flew into northern Iraq on Sunday as elite commandos shake Kurdish rebels in a major ground operation across the border. (AP Photo/Burhan Ozbilici). February 24, 2008

A donkey walks past a U.S soldier standing guard on a road during a meeting with local tribal members in Yousifiya in south Baghdad February 19, 2008. (REUTERS/Ibrahim Sultan). February 22, 2008

.S. Marine 1st Lieutenant Andrew Kinard works with physical therapist Kyla Dunlavey during his rehabilitation at the Military Advanced Training Center at Walter Reed Army Medical Center in Washington, in this November 6, 2007 file photo. Kinard lost both legs to an improvised explosive device (IED) while on patrol in Rawah, Iraq in October 2006. Walter Reed has treated more than 7,400 troops wounded in the Iraq and Afghanistan wars. Many needed long-term outpatient care and the hospital struggled to keep track of them, get them to appointments, and guide them through the bureaucracy. (USA-MILITARY/WALTERREED REUTERS/Jim Young). February 20, 2008

A U.S. soldier barbeques at Camp Cahill in Salman Pak, 25 miles south of Baghdad, February 18, 2008. (REUTERS/Mahmoud Raouf Mahmoud). February 18, 2008

US soldiers patrol the Baghdad neighborhood of Jisr Majid on February 9. I(AFP/File/Ali Yussef). February 16, 2008

Iraqi boys push their bicycles and unwittingly provide a shield for a U.S. Army soldier with the 2nd Battalion, 319th Airborne Field Artillery Regiment patrolling the Azamiyah neighborhood, north Baghdad, Monday, Feb. 11, 2008. (AP Photo/Anja Niedringhaus). February 14, 2008

U.S. Army soldiers with the 2nd Battalion, 319th Airborne Field Artillery Regiment make themselves comfortable after taking over a home during a search in the Azamiyah neighborhood of Baghdad, Tuesday, Feb. 12, 2008. (AP Photo/Anja Niedringhaus). February 13, 2008

U.S. Army Gen. David Petraeus, Commanding General Multi National Force Iraq, Secretary of Defense Robert M. Gates and Iraqi National Security Advisor Dr. Al Rubai'e discuss Iraqi defense issues during an unannounced visit by Secretary Gates in Baghdad. (AP Photo/ Department of Defense, Tech. Sgt. Jerry Morrison). February 11, 2008

A US soldier next to a statue of the Virgin Mary at St. John's Church in Baghdad. (AFP/File/Ali Al-Saadi). February 9, 2008

Actress Angelina Jolie (L) eats a meal with a U.S. Marine at the Green Zone in Baghdad February 7, 2008. Hollywood star and humanitarian activist Jolie appealed on Thursday for more international help for the millions of Iraqis displaced internally and abroad, U.N. officials said. (REUTERS/James Deady/U. S. Department of Defense). February 8, 2008

U.S. Army Sgt. William Brayman, 25, from Warner Robins, Ga. wears a peace sign on his helmet as he patrols with Alpha Company, 1st Battalion, 30th Infantry Regiment in Beijia village in Arab Jabour, Monday, Feb. 4, 2008. (AP Photo/Maya Alleruzzo). February 5, 2008

Atop the roof of a combat outpost in Iskandariyah, troops from 2nd Battalion, 502nd Infantry Regiment, 2nd Brigade Combat Team, got a chance to voice their concerns Jan. 29 with Major General Jeffrey Schloesser, the commanding general of the 101st Airborne Division. Schloesser traveled from Fort Campbell, Ky., to see and hear firsthand how Soldiers from the 2nd BCT are dealing with deployment. (Sgt. Paul Monroe). February 4, 2008

A U.S. soldier holds a tuba as he attends a dedication ceremony for Major Douglas A. Zembiec at Camp Victory in Baghdad January 31, 2008. Thousands of soldiers serve in military bands to provide pomp at events. (REUTERS/Ceerwan Aziz). February 2, 2008

U.S. Army Sgt. Curt Myers, 26, from Naperville, Ill. of Alpha Company, 1st Battalion, 30th Infantry Regiment patrols in Beijia village in Arab Jabour, south of Baghdad, Iraq on Thursday, Jan. 31, 2008.
(AP Photo/Maya Alleruzzo). February 1, 2008

U.S. Army medics from Alpha Company, 1st Battalion, 30th Infantry Regiment treat a local citizen injured in a booby-trapped house in Arab Jabour, south of Baghdad, Iraq on Monday, Jan. 28, 2008. (AP Photo/Maya Alleruzzo). January 29, 2008

U.S. Army Capt. Neil Hollenbeck, center, commander of Alpha Company, 1st Battalion, 30th Infantry Regiment, addresses a town hall meeting in Beijia village in Arab Jabour, south of Baghdad, Iraq, Sunday, Jan. 27, 2008. (AP Photo/Maya Alleruzz). January 28, 2008

U.S. Army soldiers from Alpha Company, 1st Battalion, 30th Infantry Regiment search a home in Arab Jabour during Operation Coliseum south of Baghdad, Iraq, on Sunday, Jan. 20, 2008. Iraqis routinely report missing money and jewelry after such search. (AP Photo/Maya Alleruzzo). January 26, 2008

A U.S. soldier stands in front of an Iraqi national flag during a joint patrol with Iraqi security forces in Salman Pak, 16 miles southeast of Baghdad, January 22, 2008. (REUTERSMahmoud Raouf Mahmoud). January 24, 2008

U.S. Army soldiers from Alpha Company, 1st Battalion, 30th Infantry Regiment eat lunch while occupying a home in Arab Jabour after airstrikes cleared the area during Operation Coliseum south of Baghdad, Jan. 20, 2008. (AP Photo/Maya Alleruzzo). January 22, 2008

U.S. soldiers stand guard outside a shop during a patrol in Baghdad's Adhamiya district January 18, 2008. Wherever foreign solders go, Iraqis flee lest they be caught up in fighting or bomb attacks.
REUTERS/Stringer). January 21, 2008

U.S. veterans of the wars in Iraq and Afghanistan cycle across the Seven Mile Bridge in the Florida Keys near Marathon, Florida January 18, 2008. About 30 veterans participated in the ride-down segments of Florida Keys Overseas Highway for the Soldier Ride event, which was organized to provide inspiration and raise funds for injured soldiers recovering in American military hospitals. (REUTERS/Andy Newman). January 19, 2008

US soldiers from the 2nd Squadron, 2nd Stryker Cavalry Regiment, storm into a house in a residential neighbourhood. No Iraqi is safe in their own homes from the foreign military. (AFP/Jewel Samad). January 18, 2008

A U.S. soldier stands guard near a shop which is closed during a patrol in Baghdad's Adhamiya district January 5, 2008. (REUTERS/Mahmoud Raouf Mahmoud). January 16, 2008

US soldiers train Iraqi police in Baghdad. US Secretary of State Condoleezza Rice has praised political progress in Iraq during a surprise visit to Baghdad, saying it represented a "time of hope" in the war-torn country. (AFP/Jewel Samad). January 15, 2008

A U.S. army soldier from Ghostrider Company, 3rd Squadron, 2nd Stryker Cavalry Regiment runs for cover during Operation Phantom Phoenix in the village of Abu Musa on the northern outskirts of Muqdadiyah, in the volatile Diyala province, about 60 miles north of Baghdad, Iraq, Thursday, Jan. 10, 2008. (AP Photo/Marko Drobnjakovic). January 12, 2008

A U.S. army soldier from Blackfoot Company, 2nd Battalion, 23rd Infantry Regiment detains a suspect during the initial phase of Operation Raider Harvest in the village of Sinsil on the northern outskirts of Muqdadiyah, Jan. 8, 2008. No Iraqi citizen is free from arbitrary arrest and imprisonment. (AP Photo/Marko Drobnjakovic). January 10, 2008

Maddie Zinn, 2, protests the war in Iraq during a bipartisan forum at the University of Oklahoma in Norman, Oklahoma January 7, 2008. (REUTERS/John Gress). January 08, 2008

A U.S. soldier from 2nd Brigade combat team, 82nd Airborne talks to a vendor inside a shop during a patrol in Baghdad's Adhamiya district January 5, 2008. (REUTERS/Mahmoud Raouf Mahmoud). January 07, 2008

A U.S. helicopter fires flares while flying over Baghdad January 4, 2008. Picture taken January 4, 2008. Fighting throughout Iraq is more intense than is being reported in U.S. media. (REUTERS/Mahmoud Raouf Mahmoud). January 05, 2008

An Iraqi man gets his retina scanned while applying for civil service job in the village of Huda, near the town of Salman Pak about 15 miles) southeast of Baghdad on Tuesday, Dec. 27, 2007. (AP Photo/Elena Becatoros). January 04, 2008

US commander General David Petraeus (L) stands next to an unidentified soldier as he visits the village of Owesat, southwest of Baghdad. (AFP/Bryan Pearson). January 03, 2008

Bill Kaiser (R) and Martha Sullivan protest against the Iraq War and advocate impeachment of U.S. President George W. Bush and Vice-President Dick Cheney, before the 119th annual Rose Parade in Pasadena, California January 1, 2008. (REUTERS/Mark Avery). January 01, 2008

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