A U.S. Army soldier crosses an irrigated field during a patrol by the 1-320th Alpha Battery, 2nd Brigade of the 101st Airborne Division near COP Nolen, in the volatile Arghandab Valley, Kandahar, Afghanistan, Friday, July 23, 2010. (AP Photo/Rodrigo Abd) July 20, 2010

US Army soldiers have lunch at Wilson Forward Operating Base, Kandahar, Afghanistan, Saturday, July 17, 2010. (AP Photo/Rodrigo Abd) July 18, 2010

Members of Iraq Veterans Against the War (IVAW) protest outside the gates of Ft. Hood in Killeen on July 9, 2010. IVAW is holding their national convention in Austin this weekend, along with an event on Saturday night at Under The Hood coffee house in Killeen. (Killeen Daily Herald) July 10, 2010

United States army medic Spec. Andrew Madison from Bravo Company, 2nd Battalion of the 508 Parachute Infantry Regiment of the 82nd Airborne, walks through an orchard on a patrol near the village of Charbagh in the volatile Arghandab Valley, outside Kandahar City, Monday, July 5, 2010. (AP Photo/Kevin Frayer) July 6, 2010

Containers of U.S. military hazardous waste are seen at a disposal facility at al-Asad Air Base in western Iraq on Monday, June 28, 2010. The U.S. military is removing tens of millions of pounds of hazardous waste accumulated during seven years of war amid concerns about America's environmental legacy in Iraq, officials said. Brig. Gen. Kendall Cox said the military spent $55 million last year to build two treatment centers for waste and has numerous collection centers around the country as part of a U.S. effort to draw down forces ahead of an Aug. 31, 2010 deadline. (AP Photo/Maya Alleruzzo) June 29, 2010

Containers of U.S. military hazardous waste are seen at a disposal facility at al-Asad Air Base in western Iraq on Monday, June 28, 2010. The U.S. military is removing tens of millions of pounds of hazardous waste accumulated during seven years of war amid concerns about America's environmental legacy in Iraq, officials said. Brig. Gen. Kendall Cox said the military spent $55 million last year to build two treatment centers for waste and has numerous collection centers around the country as part of a U.S. effort to draw down forces ahead of an Aug. 31, 2010 deadline. (AP Photo/Maya Alleruzzo) June 29, 2010

U.S. Army Staff Sgt. Bradley Robbins from Charlie Co. Sixth Battalion, 101st Airborne Combat Aviation Brigade, Task Force Shadow prepares to administer drugs to a wounded American soldier while enroute to the hospital June 24, 2010 near Kandahar, Afghanistan. (Justin Sullivan, Getty Images) June 25, 2010

U.S. Army First Sergeant Todd Sullivan (R) with C Troop 1-71 CAV walks among Afghans during a patrol in the village of Gorgan in Dand district, south of Kandahar, June 20, 2010. (REUTERS/Denis Sinyakov ) June 20, 2010

A Navy carry team carries a transfer case containing the remains of Seaman William F. Ortega Sunday, June 20, 2010 at Dover Air Force Base, Del. According to the Department of Defense, Ortega, 23, of Miami, died June 18 in Helmand province, Afghanistan of wounds sustained from an improvised explosive device. (AP Photo/Steve Ruark) June 20, 2010

The family of Brendan Neenan confort each other during a funeral service for the U.S. Army soldier at St. Johns Evangelist Catholic Church on Wednesday, June 16, 2010. Neenan was killed by an improvised explosive device on June 7, while in Afghanistan as part of Operation Enduring Disaster. (AP Photo/The Dothan Eagle, Jay Hare) June 18, 2010

U.S. and British troops watch the World Cup soccer match from South Africa between the U.S. and England in Camp Bastion, Helmand Province, Afghanistan June 12, 2010. (REUTERS/Corporal Gary Kendall RLC) June 13, 2010

An Army carry team carries a transfer case with the unidentified remains of an Army soldier off of a C-17 Air Force transport airplane during a casualty return at Dover Air Force Base, Del., Wednesday, June 9, 2010. The military was not able to positively identify in the field, the remains of First Sgt. Richard N. Barton of Roxie, Miss.; Spc. Blaine E. Redding of Plattsmouth, Neb.; and Spc Matthew R. Catlett of Houston, Texas. The Air Force Mortuary Affairs Operation Center at Dover Air Force Base will identify the remains. The Department of Defense announced the death of the soldiers who were supporting Operation Enduring Disaster in Afghanistan. (AP Photo/Cliff Owen) June 10, 2010

A medic with the U.S. Army comforts an injured Canadian soldier with the 1st RCR Battle Group, The Royal Canadian Regiment, after landing for his medical evacuation outside Salavat, in the Panjwayi district, southwest of Kandahar, Afghanistan, Monday, June 7, 2010. The Canadian soldier was injured from an IED during a patrol earlier. (AP Photo/Anja Niedringhaus) June 7, 2010

A jogger runs past crosses along the Santa Monica beach at the Arlington West War memorial during the Memorial Day observance in Santa Monica, Calif. on Monday May 31,2010. The crosses represent U.S. soldiers killed in Iraq and Afghanistan. (AP Photo/Richard Vogel) June 2, 2010

Anita Dixon, of Wichita, Kan., whose son Army Sgt. Evan Parker was killed while serving in Iraq in 2005, kisses the graves in section 60, where many of the casualties from Iraq and Afghanistan are buried, (AP Photo/Jacquelyn Martin) May 29, 2010

U.S. Marines from 3rd Battalion, 6th Marines rest during a patrol in Marjah district, Helmand province Afghanistan, May 21, 2010. (REUTERS/Asmaa Waguih) May 22, 2010

In this May 8, 2010 photo, a tattoo on the back of U.S. Army Sgt. James Wilkes of Rochester, N.Y., is seen through his torn shirt after a foot patrol with 1st Platoon, Charlie Company, 2nd Battalion, 1st Infantry Regiment, of the 5th Styker Brigade in Afghanistan's Kandahar province. The full tattoo reads, 'Sacrifice. Without fear there is no courage.' (AP Photo/Julie Jacobson) May 15, 2010

A U.S. soldier with a prosthetic limb uses his mobile phone to film a ceremony for U.S. soldiers who sustained combat injuries in Iraq at Al Faw Palace in U.S. so-called Camp "Victory" in Baghdad May 9, 2010 more than 8 years after the invasion of Iraq began. (REUTERS/Mohammed Ameen) May 11, 2010

A U.S. Army soldier with 2nd Battalion, 508th Parachute Infantry Regiment, part of the 82nd Airborne Division stands by his machinegun on an outpost atop a mountain overlooking the Arghandab valley in Kandahar province, southern Afghanistan May 7, 2010. (REUTERS/Yannis Behrakis) May 8, 2010

A wounded U.S. soldier is carried off of a C-17 transport airplane to an ambulance at Andrews Air Force Base, Md., Tuesday, April 20, 2010. (AP Photo/Cliff Owen) April 23, 2010

This picture taken on March 20 shows US Sergeant Paul Williams posing to show his tattoos at the entrance to a bunker in Marjah, Helmand province, southern Afghanistan. For many Marines, frescoes on skin narrate their lives as soldiers and as men, exorcise their fears, honour their comrades and proclaim their "loves". (AFP/Mauricio Lima) April 17, 2010

This picture Corporal Lorenzo Robles posing to show his chest tattoo at a base in Marjah in Helmand province of southern Afghanistan. For many Marines, frescoes on skin narrate their lives as soldiers and as men, exorcise their fears, honour their comrades and proclaim their loves. (AFP/File/Mauricio Lima) April 17, 2010

A United States Army soldier with 2nd Battalion, 4th Brigade Combat Team of the 82nd Airborne Division, pulls on his boots before heading out to help unload supply trucks, Monday, April 5, 2010, at a combat outpost in the Arghandab Valley of Kandahar province in Afghanistan. (AP Photo/Julie Jacobson) April 10, 2010

In an echo of pre-Christian rituals, United States Army Capt. Ryan Kenny, of Billings, Mont., left, with the 82nd Airborne Division, holds a light over the text for Chaplain William Kneemiller, center, as he reads while Staff Sgt. Richard Webb, of Donna, Texas prepares to light the Easter candle during the Lighting of the Easter Vigil fire service of light, Saturday, Aug. 3, 2010 at at a forward operating base in the Arghandab Valley of Kandahar province in Afghanistan. (AP Photo/Julie Jacobson) April 3, 2010

U.S. President Barack Obama meets with troops at Bagram Air Base in Kabul, March 28, 2010. Obama arrived unannounced in Afghanistan on Sunday, his first visit to the war zone that could define his presidency since his election as U.S. commander-in-chief. (REUTERS/Jim Young) March 29, 2010

A U.S. Marine carries a cargo net to a helicopter in Marjah, Afghanistan, which landed at a poppy field outside their base In this photo taken on Wednesday, March 24, 2010. (AP Photo/Dusan Vranic) March 25, 2010

Thousands of protesters march through Washington to protest the wars in Iraq and Afghanistan on the seventh anniversary of the invasion of Iraq, on Saturday, March 20, 2010. (AP Photo/Jacquelyn Martin) March 21, 2010

In this image taken Monday, March 15, 2010, in Marjah, marines of the First Battalion, Sixth Marine Regiment build a barrier around their base. (AP Photo/Dusan Vranic) March 18, 2010

Army Chaplain Carl Subler (L) prays with soldiers before a military operation on March 14, 2010 at Howz-e-Madad in Kandahar province, Afghanistan. He accompanied soldiers from the 2nd Battalion, 1st Infantry Regiment on an offensive operation against Taliban in the area. (Getty) March 15, 2010

A soldier with Army National Guard 162 Engineer Company attached with 2nd Combat Engineer Battalion of U.S. Marine Corps rests under a makeshift cover after returning from a route clearance mission at Camp Leatherneck in Helmand province, southern Afghanistan, March 10, 2010. REUTERS/Shamil Zhumatov) March 12, 2010

U.S. Army Spc. Ben McMahon, left, 24, from College Station, Texas, and Spc. Juan Esparza, right, 21, from Dallas, Texas, watch a movie on a laptop computer while listening to radio traffic in their armored vehicle in Mosul, north of Baghdad, Iraq, Sunday, March 7, 2010. The soldiers, from B Troop, 3rd Squadron, 7th Cavalry Regiment , are part of the U.S. quick-reaction force for Mosul on standby to respond if Iraq asks for their help during Sunday's national election. (AP Photo/Maya Alleruzzo) March 9, 2010

Specialist Richard Gay of the Army National Guard 162nd Engineering Company attached to the U.S. Marine Corps 2nd Combat Engineer Battalion blows air on a bullet belt before going for a route clearance mission at Camp Leatherneck in Helmand province, southern Afghanistan, March 5, 2010. (REUTERS/Shamil Zhumatov) March 5, 2010

U.S. Marines practise boxing at Camp Leatherneck in Helmand province, southern Afghanistan, March 3, 2010. (REUTERS/Shamil Zhumatov) March 3, 2010

Members of the Marine Corps carry the casket of Marine Pfc. Kyle J. Coutu from St. Teresa of the Child Church in Pawtucket, R.I., following funeral services, Friday, Feb. 26, 2010. Coutu was killed last week supporting combat operations in the Helmand province of Afghanistan. (AP Photo/Stew Milne) March 1, 2010

U.S Army soldiers from Delta Company, 4th Brigade combat team, 2-508, 82nd parachute infantry Regiment, take retina scans of Afghan citizens during a patrol in the Arghandab valley, Kandahar province, southern Afghanistan, February 24, 2010. (REUTERS/Baz Ratner) February 26, 2010

U.S. Marines from 3rd Battalion, 6th Marine Regiment rest in an Afghan's home during a patrol in Marjah in Afghanistan's Helmand province on Wednesday Feb. 24, 2010. (AP Photo/David Guttenfelder) February 24, 2010

U.S. Marines from 3rd Battalion, 6th Marine Regiment rest in a compound after a battle with the Taliban in Marjah in Afghanistan's Helmand province on Saturday Feb. 20, 2010. (AP Photo/David Guttenfelder) February 20, 2010

A U.S. Marine from Bravo Company of the 1st Battalion, 6th Marines breaks the door of a house to search for weapons during an operation in the town of Marjah, February 16, 2010. (REUTERS/Goran Tomasevic) February 17, 2010

U.S. Marines from Bravo Company of the 1st Battalion, 6th Marines fires mortars in the town of Marjah in Nad Ali district of Helmand province February 14, 2010. A U.S. Marine company position came under intense fire from all sides on Sunday, at a building where an Afghan flag had been raised to mark progress in a NATO offensive against a Taliban stronghold. (REUTERS/Goran Tomasevic) February 14, 2010

A U.S. army medic rushes to carry a U.S. Marine wounded in a RPG attack in Marjah on Saturday..
Brennan Linsley/AP) February 13, 2010

Tom Davis holds his daughter Lylli with two of his other children Isaiah, far left, and Elli looking on in the kitchen of the Davis home Thursday, Feb. 12, 2010, in Fremont, Ind. He was only a week into his second tour in Iraq in 2006 when a bomb exploded underneath the Humvee he was riding in, blasting the vehicle two stories into the air and leaving him with a broken back and a leg injured beyond repair.
(AP Photo/Joe Raymond) February 12, 2010

A U.S. Marine throws a football at Delaram base in Nimroz province, southern Afghanistan January 24, 2010. (REUTERS/Marko Djurica) January 24, 2010

Local children look up at a soldier of 293rd Military Police Company out of Fort Stewart, Georgia, U.S.during a patrol in Kandahar City, southern Afghanistan Friday, Jan. 15, 2010. (AP Photo/Kirsty Wigglesworth) January 17, 2010

U.S. soldiers toast during the lunch meal on Christmas day at the Camp Phoenix in Kabul, Afghanistan on Friday, Dec. 25, 2009. (AP Photo/Musadeq Sadeq) December 26, 2009

Spc. James Lollis, right, who was on his way to the gym, and an unidentified soldier from the 2nd Battalion 12th Infantry take cover as incoming fire hits inside Command Outpost Michigan at the Pech River Valley in Kunar Province, Afghanistan, Saturday, Dec. 19, 2009. (AP Photo/Dario Lopez-Mills) December 19, 2009

Sgt Donald A Grahl from Sanger TX, of 1st Battalion 82th Field Artillery Regiment prepares the turkeys for the thanksgiving meal at JSS WarEagle, Adahmiyah neighborhood, northeastern Baghdad, Iraq, on Thursday, Nov. 26, 2009. U.S. Soldiers in Iraq celebrate thanksgiving holiday this year away from their families for the seventh year in a row. (AP Photo/Petros Giannakouris) November 28, 2009

A U.S. Army soldier with the Alpha Troop 3-71 Cavalry Squadron returns to the vehicles after a dismounted patrol near the town of Baraki Barak, Logar province, Afghanistan, Monday, Nov. 23, 2009.
(AP Photo/Dario Lopez-Mills) November 23, 2009

U.S. Army soldier Ryan Branklel of 3/509 infantry 4BDE25ID Task Force Geronimo fires his weapon during a training session at FOB Tillman, Afghanistan, November 11, 2009 (REUTERS/Bruno Domingos) November 19, 2009

Maria Rodriguez, left, and Cindy Wilson, right, cry during a reunion with their husbands at Fort Hood in Killeen, Texas, Tuesday, Nov. 10, 2009 after 295 soldiers from the 1st Cavalry Division returned after another year from Iraq. (AP Photo/Paul Sakuma) November 12, 2009

US Army Spc. Eric Marquez, an infantryman from El Paso, Texas, digs at a suspected cache site as an Iraqi soldier looks on during a combined caches sweep in northwestern Baghdad (REUTERS/U.S Army/Sgt. Mark Burrell) November 02, 2009

An Army carry team carries the transfer case containing the remains of Army Pfc. Kimble A. Han, of Lehi, Utah, during dignified transfer ceremony at Dover Air Force Base, Del., on Sunday, Oct. 25, 2009. (AP Photo/Jose Luis Magana) October 25, 2009

A U.S. soldier offers candy to a boy during a "patrol" in Kerbala, October 14, 2009. (REUTERS/Mushtaq Muhammed) October 16, 2009

U.S. marines take up positions during an operation to clear the area of Taliban insurgents in Helmand province, southern Afghanistan, October 8, 2009. (REUTERS/Asmaa Waguih) October 9, 2009

Newly-arrived troops of the US Army load their bags onto a truck at Kandahar military base on October 3. Eight foreign soldiers and two Afghan troops were killed in a firefight in eastern Afghanistan, NATO's International Security Assistance Force (ISAF) said Sunday. (AFP/Romeo Gacad) October 4, 2009

Carlos Arredondo of Boston, carries his son's boots during the 4th Annual 'A Time of Remembrance,' an event to honor the sacrifices of the fallen and their families on the West Lawn of the U.S. Capitol in Washington, Saturday, Sept. 26, 2009. Arredondo's son, USMC Lance Cpl. Alex Arredondo, died at 20 in Najaf, Iraq, in 2004. (AP Photo/Pablo Martinez Monsivais) September 26, 2009

An Afghan girl gets her nails painted by a female U.S. soldier who joined German ISAF soldiers during a long-term patrol in Yaftal e Sofla, in the mountainous region of Feyzabad, east of Kunduz, Afghanistan, early morning Tuesday, Sept. 15, 2009.
(AP Photo/Anja Niedringhaus) September 16, 2009

A soldier attached to U.S Marine Delta Company of 2nd Light Armored Recon Battalion patrols a village near the town of Khan Neshin in Rig district of Helmand province, southern Afghanistan September 6, 2009. (REUTERS/Goran Tomasevic ) September 7, 2009

A carry team carries the transfer case containing the remains of Marine Lance Cpl. David R. Hall of Elyria, Ohio, Tuesday, Sept. 2, 2009 at Dover Air Force Base, Del. According to the Department of Defense, Hall died while supporting combat operations in Helmand province, Afghanistan. (AP Photo/Susan Walsh) September 3, 2009

U.S. Marines from Golf Company, 2nd Battalion, 3rd Regiment, 2nd MEB, 3rd MEF, play a game of basketball using a tire mounted on a wall at their combat outpost in the village of Dahaneh Sunday, Aug. 23, 2009, in the Helmand Province of Afghanistan. (AP Photo/Julie Jacobson) August 24, 2009

A U.S. Marine from Training Team 2-8 and an Afghan National Army (ANA) soldier search abandoned houses during a night patrol in the village of Totnow, Afghanistan's Kunar province, late August 16, 2009. (REUTERS/Oleg Popov) August 19, 2009

A U.S. soldier of 2-12 Infantry 4BCT-4ID Task Force Mountain Warrior is reflected in a mirror during a patrol at a polling station near Honaker Miracle camp at the Pesh valley of Kunar Province August 15, 2009. (REUTERS/Carlos Barria) August 16, 2009

A U.S. soldier of 2-12 Infantry 4BCT-4ID Task Force Mountain Warrior guards a group of men arrested on suspicion of being Taliban militia members in Combat Main camp at the Pesh valley in Kunar Province August 14, 2009. (REUTERS/Carlos Barria) August 14, 2009

Marines with Golf Company, 2nd MEB, play a game of poker during the night hours at combat outpost ANP Hill Sunday, Aug. 9, 2009, near the city of Now Zad in the Helmand Province of Afghanistan.
(AP Photo/Julie Jacobson) August 10, 2009

U.S. soldier PV2 Robert Rondash of Alpha company 2-12 Infantry 4BCT-4ID Task Force Mountain Warrior stands on a bridge during a check point in Manugay village at the Pech Valley in Kunar Province August 8, 2009. (REUTERS/Carlos Barria) August 10, 2009

In this July 2007 file photograph taken in Orlando, Fla., provided by Victor Agosto, U.S. Army Spc. Victor Agosto is shown while on leave from a 13-month tour in Iraq. Agosto a Fort Hood soldier was sentenced to a military jail for 30 days for refusing to deploy to Afghanistan. Agosto, pleaded guilty and faces up to 30 days in jail and an other-than-honorable discharge. Agosto didn't flee as other objectors have, but stayed on base. (AP Photo/ Victor Agosto) August 7, 2009

Three U.S. Army soldiers of Dagger Company, 2-12 Infantry, 4th Brigade rest in the shade at Michigan Base before heading out on a patrol in the Pesh Valley in Afghanistan's Kunar Province August 1, 2009. (REUTERS/Tim Wimborne) August 1, 2009

U.S. soldier stands guard during a reopening ceremony of a bridge connecting Shula and Ghazaliya districts in Baghdad July 28, 2009. (REUTERS/Mohammed Ameen) July 28, 2009

In this June 30, 2009 file photo, U.S. Army Sgt. Michael Chase, 24, from Houston, Texas of C Co., 1st Battalion, 5th Infantry Regiment, cleans his weapon at Forward Operating Base Warhorse in Baqouba, Iraq. An Iraqi military commander on Monday July 20, 2009 compared new restrictions on the U.S. military to 'house arrest,' saying American combat troops cannot patrol as freely as they did before pulling out of cities on June 30. (AP Photo/ Maya Alleruzzo) July 23, 2009

Members of Alpha Company, 2-12 Infantry, 4th Brigade of NATO's International Security Assistance Force (ISAF) shield themselves from dust before boarding a helicopter at Forward Operating Base Blessing in Kunar Province, to support Chosen Company in the Watapor Valley July 17, 2009. (REUTERS/Tim Wimborne) July 17, 2009

US Marines cross a make shift bridge in the Garmsir district of Helmand Province as they pressed a major assault in the South of Afghanistan (AFP/Manpreet Romana) July 12, 2009

US soldiers cut a cake in celebration of the 4th of July, the US Independence Day in Afghanistan. A new US military offensive launched in Afghanistan's south this week. (AFP/Massoud Hossaini) July 7, 2009

A girl peers from her front gate as a U.S. Army soldier from A Co., 1st Battalion, 5th Infantry Regiment patrols in western Mosul, Tuesday, June 9, 2009. (AP Photo/ Maya Alleruzzo) June 13, 2009

An Army carry team carries a transfer case containing the remains of Pvt. Thomas Lee III, Saturday, May 30, 2009 at Dover Air Force Base, Del. According to the Department of Defense, Lee, of Dalton, Ga., was killed by a rocket-propelled grenade in Mosul, Iraq while supporting Operation Iraqi Freedom. (AP Photo/ Steve Ruark) May 31, 2009

In this undated photo released by the Hutchison family, Maj. Steven Hutchison, center, is seen in Afghanistan with colleagues. Hutchison, of Scottsdale, Arizona, 60-year-old Vietnam War veteran killed when a bomb exploded near his truck outside Al Farr, Iraq has become the oldest Army soldier to die in that conflict. (AP Photo/Hutchison family via The Arizona Republic) May 16, 2009

US soldiers, seen here in April 2009, walk in front of the US national flag at ISAF's Camp Bostick in Naray, in Afghanistan. The US military rejected Monday a media report that its troops tried to spread Christianity among Afghans, saying Bibles found in local languages were a soldier's personal items and had been confiscated. (AFP/File/Liu Jin) May 4, 2009

A U.S. soldier of 3rd Platoon Cherokee Troop from the 3rd Brigade, 10th Mountain Division aims his rifle during a patrol in Logar province April 13, 2009. (REUTERS/Ahmad Masood) April 16, 2009

Children pass by as a U.S. army occupation soldier from Demon Dog Company, 1st Battalion, 67th Armor Regiment patrols a street in eastern Mosul, , Monday, April 6, 2009. (AP Photo/Marko Drobnjakovic) April 07, 2009

A U.S. army soldier from Warrior Battery, 2nd Battalion, 82nd Field Artillery Regiment, patrols a street in eastern Mosul, 360 kilometers (225 miles) northwest of Baghdad, Iraq, Thursday, April 2, 2009. U.S. (AP Photo/Marko Drobnjakovic) April 03, 2009

U.S. troops take up position on a major street after a gunfight sparked Saturday at the dominantly Sunni neighborhood of Fadhil in Baghdad, Sunday, March 29, 2009. (AP Photo/Hadi Mizban) March 29, 2009

U.S. soldiers stand guard during a graduation ceremony of former neighbourhood patrol members, known locally as "Sahwas" from a training course in Baghdad's Jihad District March 24, 2009. About 400 former members of Sahwas graduated from a six-month training course supervised and backed by the U.S. forces. The training included areas in engineering, logistics, pipeline services, security and training (REUTERS/Bassim Shati) March 24, 2009

In this May 17, 2006, file photo Herbert Reed, 52, a veteran of Iraq, shows the medicines he takes everyday for pain at his home in Columbia, S.C. Reed was exposed to radioactive depleted uranium while serving a few months with the 442nd Military Police out of New York. A new U.S. congressional report, prepared for a hearing on Thursday, March 12, 2009, says officials from the Agency for Toxic Substances and Disease Registry (ATSDR), a branch of the Health and Human Services department charged with protecting the public near toxic pollution sites, 'deny, delay, minimize, trivialize or ignore legitimate health concerns.' (AP Photo/Mary Ann Chastain) March 12, 2009

A U.S. soldier scares children during an inspection at a newly reopened school after its renovation by U.S. forces in Baghdad's Hurriya district in this March 5, 2009 picture. (REUTERS/Mohammed Ameen) March 07, 2009

US Army Staff Sergeant Michael Downing, 42, a double amputee after being wounded last September in Afghanistan, is seen at Walter Reed Army Medical Center in Washington. Like other veterans at Walter Reed, Downing says he has turned the page and works fiercely to relearn basic movements. (AFP/Daphne Benoit) March 01, 2009

A U.S. occupation soldier eats lunch at an Iraqi police station in Baghdad's al-Doura district February 26, 2009. REUTERS/Bassim Shati) February 26 2009

US soldiers secure an area where a bomb exploded near a mini bus carrying Shiite Muslims in Baghdad on February 15, 2009. (AFP/Ahmad al-Rubaye) February 15, 2009

U.S. military band plays during a detainee release ceremony in Baghdad, Iraq, Wednesday, Feb. 11, 2009. Some 100 Iraqis were released from U.S. military custody but thousands remain behind bars. . (AP Photo/Khalid Mohammed) February 12, 2009

A U.S. soldier of 1-8 Infantry Battalion stands guard at the corridor of Al-Salaam hospital in Mosul, January 29, 2009. U.S. soldiers held a meeting with officials and building contractors of the hospital on Thursday to discuss improvement of their facilities in Mosul. (REUTERS/Erik de Castro) February 01, 2009

A U.S. soldier of 3rd Brigade Combat Team, 25th Infantry Division stands guard during a patrol inside Baiji oil refinery, 180 km (112 miles) north of Baghdad January 23, 2009. (Reuters/Thaier al-Sudani) January 27, 2009

A wounded U.S. soldier is carried following a blast in Kabul, Afghanistan, on Saturday, Jan. 17, 2009. A suicide car bomb attack on a heavily guarded road between the German Embassy and a U.S. military base set the embassy on fire Saturday, killing an Afghan child and wounding 21 people, including five U.S. troops. (AP Photo/Musadeq Sadeq) January 17, 2009

Wounded veterans of wars in Iraq and Afghanistan pedal across the Seven Mile Bridge in the Florida Keys near Marathon, Florida, January 16, 2009. About 25 injured veterans and 36 other supporters joined the ride down segments of the Florida Keys Overseas Highway for Soldier Ride, an activity staged by the Wounded Warrior Project to provide inspiration and raise funds for injured comrades recovering in American military hospitals. (REUTERS/Andy Newman/Florida Keys News) January 17, 2009

Pallbearers carry the flag-drapped casket of Army Maj. John P. Pryor into the Cathedral Basilica of Saints Peter and Paul in Philadelphia, Monday, Jan. 5, 2009. Pryor, of Moorestown, N.J., died Christmas Day when a mortar round hit near his living quarters in Iraq. (AP Photo/Matt Rourke) January 7, 2009

U.S. soldiers lift a fellow soldier as they celebrate the new year at U.S. military Camp Taji near Baghdad January 1, 2009. (REUTERS/Erik de Castro) January 1, 2009

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US soldiers of 1st Squadron, 71st Cavalry clean their rifles at their forward operating base in Dand district of Kandahar Province in Afghanistan. (AFP/Manpreet Romana) July 20, 2010

In this Tuesday, July 13, 2010 photo, U.S. Army soldiers from 2nd Brigade, 10th Mountain Division are seen on board a C-17 aircraft at Baghdad International Airport as they begin their journey to the United States. The soldiers, based at Fort Drum, N.Y., are headed home after nine months in Iraq as part of the U.S. drawdown of forces, which begins in earnest next month. The number of soldiers in Iraq is expected to go from 77,500 currently in the country to 50,000 by September 1. (AP Photo/Maya Alleruzzo) July 14, 2010

The transfer cases, containing the remains of Army Spc. Keenan Cooper, of Wahpeton, N.D., left, and Army Staff Sgt. Christopher Cabacoy, of Virginia Beach, VA., sit atop a cargo lift at Dover Air Force Base, Wednesday, July 7, 2010. According to the Department of Defense, Cooper and Cabacoy died while supporting Operation Enduring Disaster in Afghanistan. (AP Photo/Cliff Owen) July 8, 2010

A U.S. patrol stands alert next to a building in Kunduz, July 2, 2010 (AFP) July 2, 2010

An Afghan villager prays beside a U.S. soldier with C Troop 1-71 CAV during a patrol in the village of Maruf-Kariz in Dand district, south of Kandahar, June 26, 2010. (REUTERS/Denis Sinyakov) June 27, 2010

A casket containing the remains of U.S. Marine Lance Cpl. Michael C. Bailey is carried to a waiting hearse after arriving by chartered jet at Lambert-St. Louis International Airport Tuesday, June 22, 2010, in St. Louis. Bailey, 29, of Park Hills, Mo., died June 16 after he was shot while on patrol in Helmand province, Afghanistan. (AP Photo/Jeff Roberson) June 24, 2010

U.S. Army 1LT Joel Meyer (R) of Lindenhurst, Illinois and U.S. Army PFC Matthew Jobe of Louisiana, from C Troop 1-71 CAV, leave their base to patrol in the village of Maruf-Kariz in Dand district, south of Kandahar June 19, 2010. (REUTERS/Denis Sinyakov) June 22, 2010

An Air Force pararescuer places his flash badge next to others on Staff Sgt. Michael P. Flores' casket as his widow, Tech. Sgt. Marisa L. Flores, right, receives a hug from another pararescuer during funeral services, Saturday, June 19, 2010 at Fort Sam Houston National Cemetery in San Antonio. Flores died in a helicopter crash in Afghanistan on June 9. (AP Photo/San Antonio Express-News, Tom Reel) June 21, 2010

U.S. Army Private Randell Stewart with C Troop 1-71 CAV is reflected in an irrigation canal as he patrols in the village of Gorgan in Dand district, south of Kandahar, June 20, 2010. (REUTERS/Denis Sinyakov) June 20, 2010

A US soldier stands near a plane bound for Afghanistan, as it fuels up at the Manas Transit Center some 30kms from Bishkek in March 2010. The Pentagon said Thursday it is in talks with Kyrgyzstan's provisional government about fuel supplies for its operations at Manas air base, a key transit point for US troops headed to Afghanistan. (AFP/File/Vyacheslav Oseledko) June 15, 2010

A U.S. occupation soldier patrols on foot in Kerbala, 50 miles south of Baghdad June 6, 2010. (REUTERS/Mushtaq Muhammed) June 11, 2010

US soldiers of the 97th MP Battalion listen to a Canadian soldier playing the guitar at Camp Nathan Smith in Kandahar on June 8. At sunset, in a garden with flowers, NATO soldiers gathered for a poignant memorial service for a Canadian soldier in southern Afghanistan -- one of 18 men killed in just three days. (AFP/Ed Jones) June 9, 2010

Military personnel of the International Security Assistance Force (ISAF) chat with each other at Kandahar Air Field, southern Afghanistan, June 4, 2010. (REUTERS/Denis Sinyakov) June 6, 2010

Rachelle Vaughn, center, poses with her 18-month-old son Richard next to a picture of her husband in her home in San Diego, Army Sgt. Richard Vaughn was killed in Iraq in 2008 (AP Photo/Gregory Bull) May 29, 2010

U.S. marines Tommy Delco and Jed Davis from 3rd Battalion, 6th Marines search an Afghan citizen's in a compound in Marjah district, Helmand province, May 18, 2010.(REUTERS/Asmaa Waguih) May 25, 2010

Civilian and military personnel sit in a shelter during a ground and rocket attack by militants at Kandahar Air Field May 22, 2010. Several NATO troops were wounded when Taliban militants fired rockets at Kandahar airfield in southern Afghanistan on Saturday, and there were fears insurgents may have entered the base, the alliance said. The rocket and mortar fire was followed by a ground attack on the massive base in the capital where NATO forces are preparing a series of offensives to wrest control of the province. (REUTERS/Nikola Solic) May 23, 2010

A US soldier patrols near Belanday village, Dand district in Kandahar on May 15 as President Obama plans to send tens of thousands more occupations forces into the district for a summer offensive. (AFP/File/Tauseef Mustafa) May 18, 2010

NATO officers and workers walk by fast food restaurants Burger King, Pizza Hut and Subway in Kandahar air base April 30, 2010. (REUTERS/Yannis Behrakis) May 1, 2010

U.S. Marines from Lima Company, 3rd Battalion, 6th Marines sleep in their "patrol base" in the area of Karez-e-Sayyidi, near Marjah district, Helmand province April 17, 2010. (REUTERS/Asmaa Waguih) April 18, 2010

In this March 12, 2010 photo, former U.S. Marine Sgt. Joe Callan lifts his son Max in the air at their home in Albuquerque, N.M. It wasn't his first tour in Iraq, but his second and third when Callan began wondering how long his luck would last, how many more months he could swerve around bombs buried in the dirt and duck mortars raining from the skies. Three tours in four years and Callan wanted out. Out of Iraq, out of the Marines. Nearly 300,000 troops have served three, four or more times. And, records show, more than half of those currently at war are at least on their second tour. (AP Photo/Charles Rex Arbogast) April 16, 2010

U.S. servicemen pray during an Easter service in Kandahar April 4, 2010 as they prepare to kill in Jesus' name.. (REUTERS/Tim Wimborne) April 4, 2010

U.S. Marine Staff Sgt Matthew Dalrymple of the 3rd Battalion, 6th Marines, holds the dog tag of a comrade who lost his life in February's Marjah offensive during a memorial service in camp Sharwali, Marjah district, Helmand province March 26, 2010. (REUTERS/Asmaa Waguih) March 31, 2010

Soldiers with 508th Special Troops Battalion, 82nd Airborne Division, descend from a mountain range outside the town of Kandahar, southern Afghanistan March 27, 2010. (REUTERS/Shamil Zhumatov) March 28, 2010

A U.S. soldier from 293D Military Police Company, 97th Military Police Battalion stands next to a poster during a patrol in the town of Kandahar, southern Afghanistan March 22, 2010. (REUTERS/Shamil Zhumatov) March 23, 2010

Family and friends walk behind the casket carrying the comingled remains of Army Chief Warrant Officer Matthew G. Kelley, Chief Warrant Officer Joshua M. Tillery, Chief Warrant Officer Benjamin H. Todd, and Chief Warrant Officer Phillip E. Windorski carried on a cason during funeral services at Arlington National Cemetery in Arlington, Va., Thursday, March 18, 2010. The four Soldiers died from wounds sustained in Iraq and were assigned to the 10th Mountain Division, Fort Drum, N.Y., at the time of their deaths on Jan. 29, 2009. (AP Photo/Cliff Owen) March 19, 2010

Maj. Gen. David Quantock speaks to reporters during a handover ceremony in Baghdad, Iraq, Monday, March 15, 2010. The U.S. military has turned over Taji prison holding some 2,900 detainees to Iraqi authorities. However, thousands of Iraqi citizens remain in American custody in their own country. (AP Photo/Karim Kadim) March 16, 2010

A U.S. soldier walks up Jangalbagh hill as Afghans plant trees to make a picnic spot, north of Ghazni city March 14, 2010. (REUTERS/Mustafa Andalib) March 14, 2010

An Army carry team carries a transfer case containing the remains of Spc. Lakeshia Bailey, Wednesday, March 10, 2010, at Dover Air Force Base, Del. According to the Department of Defense, Bailey, 23, of Columbus, Ga., died March 8 north of Al Kut, Iraq, of injuries sustained during a vehicle roll-over. (AP Photo/Steve Ruark) March 11, 2010

Soldiers of the U.S. Army National Guard 162 Engineer Company attached with 2nd Combat Engineer Battalion of U.S. Marine Corps rest in their Mine Resistant Ambush Protected (MRAP) armored vehicle after the MRAP was hit by road side bomb, while providing a route clearance for a convoy delivering supplies to the remote U.S. Marine base in Helmand province, southern Afghanistan, March 6, 2010. Picture taken March 6, 2010. (REUTERS/Shamil Zhumatov) March 7, 2010

In this photo released by the U.S. Army on Tuesday, Feb. 23, 2010, Staff Sgt. Bradley Wilson, from Willard, Ohio, with the 1192nd Eng. Co., guides a barrier into place at Joint Security Station Constitution in Baghdad, Iraq, . U.S. Soldiers are building a barrier yard for 6th Iraqi Army to use during the elections. (AP Photo/1st Lt. Tanner Dunlap, U.S. Army,HO) February 27, 2010

U.S. Marines from 3rd Battalion, 6th Marine Regiment play with a puppy they found in a compound that an Afghan family had fled and abandoned in Marjah, Afghanistan on Monday, Feb. 22, 2010. From right are Eric Dorsey of Washington D.C. and Naval corpsman medic HMC Alexander Rodgers of Soldotna, Alaska. (AP Photo/David Guttenfelder) February 22, 2010

U.S. Marines from Bravo Company of the 1st Battalion, 6th Marines rounding up Marjah residents during Operation Moshtarak, February 21, 2010.
(REUTERS/Goran Tomasevic) February 21, 2010

U.S. Marines gear up early in the morning in Marjah, Helmand province, February 19, 2010. (REUTERS/Goran Tomasevic) February 19, 2010

Two wounded marines are evacuated from Marjah on February 14, 2010. (BBC News) February 15, 2010

U.S Army First Lieutenant Sean Snook from Concord, Massachusetts, and Alpha Company, 4th Brigade combat team,1-508, 82nd parachute infantry regiment tees off at FOB Bullard in Zabul province, southern Afghanistan, February 12, 2010.
(REUTERS/Baz Ratner ) February 12, 2010

U.S. Special Forces soldiers leave after a gunbattle in Kabul, Afghanistan, Monday, Jan. 18, 2010. Taliban militants struck the heart of the Afghan government in Kabul on Monday, prompting fierce gunbattles after a suicide bomber blew himself up near the presidential palace. More explosions rocked the capital as Afghan troops fought off the attackers. (AP Photo/Musadeq Sadeq) January 19, 2010

Julie Martinez wipes a tear as she holds her one-year-old granddaughter Isabelle Nikes, following a deployment ceremony for her son Joshua Nikes and other members of the 5th Battalion, 5th Air Defense Artillery Regiment, Friday, Jan. 8, 2010, at Fort Lewis, Wash. The group is preparing to depart for their third deployment to Iraq. (AP Photo/Ted S. Warren) January 10, 2010

A U.S. service member photographs the casing of the Multi-National Force-Iraq flag at a ceremony at al-Faw Republican palace in Baghdad, Friday, Jan. 1, 2010. U.S. forces in Iraq held a ceremony marking a change from what had formerly been called Multi-National Force-Iraq to United States Force-Iraq. Structurally the U.S. forces in Iraq will remain largely the same for the time being, but the name change symbolizes the changing nature of the U.S. mission here and acknowledges that a coalition that used to have troops from 32 countries now has just one. (AP Photo/Maya Alleruzzo) January 2, 2010

Spc. Amanda Perez, 23, smiles at husband Sgt. Miguel Perez, 24, as they have lunch at Camp Prosperity in Baghdad, December 29, 2009. The Perezes are one of six married couples who deployed to Iraq with the 72nd Infantry Brigade Combat Team, a Texas Army National Guard unit headquartered in Houston. They met in the Guard and married at a courthouse on Oct. 2, during a break in training. (AP Photo/Houston Chronicle, Mayra Beltran) December 31, 2009

U.S. Army soldiers from Task Force Denali Platoon 1-40 CAV sing Christmas carols during a Christmas Eve service at FOB Clark in Khowst province, Afghanistan, December 24, 2009. (REUTERS/Zohra Bensemra) December 26, 2009

In this Monday, Dec. 7, 2009 a US army soldier takes a retinal scan of a man at a border crossing point at Rabiya, between Syria and Iraq. The U.S. army and Iraq's border patrol conduct night-long sweeps across vast, deserted swaths of land, often idling in the dark in hopes of ambushing smugglers, foreign fighters and other criminals. (AP Photo) December 10, 2009

U.S. Army soldiers of 2/377 Task Force Steel eat at their mess hall at FOB Tillman, Afghanistan, November 19, 2009. (REUTERS/Bruno Domingos ) November 19, 2009

1st Lt. Austin Huckabee, from San Angelo, Texas, hands a small bag of candy to a young Iraqi girl while his fellow soldiers raid her home during a patrol in a small village north of Taji, north of Baghdad, November 12, 2009. (REUTERS/U.S. Army/Sgt. Travis Zielinski) November 16, 2009

A US medic treats an injured Afghan soldier in the helicopter during transportation to a hospital in Kandahar, on November 4. (AFP/File/Manpreet Romana) November 08, 2009

A U.S. Army vehicle fires on Taliban positions on a mountain side, outside a base held by the Army's 2nd Battalion, 12th Infantry Regiment, 4th Brigade Combat Team, 4th Infantry Division in the Pech River Valley of Afghanistan's Kunar province, Wednesday, Oct. 28, 2009. (AP Photo/David Guttenfelder) October 28, 2009

Spc. Brian Abbott Sr., smiles as he embraces his son Brian Jr. as members of the Ohio Army National Guard 's 135th Military Police Company are reunited with their families and friends before a ceremony at Kenston High School in Bainbridge Twp., Ohio on Sunday, Oct. 18, 2009. The unit spent the past year deployed in Baghdad, Iraq, where it conducted more than 800 combat patrols, provided convoy security and trained some 3,500 Iraqi police. (AP Photo/Amy Sancetta) October 21, 2009

A soldier from the U.S. Army's Able troop, 3rd Squadron, 71st Cavalry, of 10th Mountain Division based in Fort Drum, New York, uses a battering ram to break down a door as they search for IED (improvised explosive device) material during a joint security patrol with Afghan army soldiers in Baraki Rajan, Baraki Barak district in Logar province October 10, 2009. (REUTERS/Nikola Solic ) October 17, 2009

A US Marine with camouflage paint on his face from Fox Company 2nd Battalion 3rd Marines prepares to set out from his base in Farah Province, southern Afghanistan. (AFP/David Furst) October 7, 2009

An Army carry team stands near a transfer case containing the remains of Army Spc. Ross E. Vogel III Friday, Oct. 2, 2009 at Dover Air Force Base, Del. According to the Department of Defense, Vogel, 27, of Red Lion, Pa., died Sept. 29 in Kut, Iraq of injuries suffered from a non-combat related incident. (AP Photo/Steve Ruark) October 3, 2009

Col. Steven Bernstein, from St. Louis, Mo. sounds the ram's horn, also known as a shofar in Hebrew, after a Rosh Hashanah service at Victory Base Complex (VBC) in Baghdad's international airport September 18, 2009. (REUTERS/U.S Army/Spc.
Howard Alperin) September 21, 2009

A U.S Marine from Delta Company of 2nd Light Armored Reconnaissance Battalion searches an elderly Afghan man for weapons near the town of Khan Neshin in Rig district of Helmand province, southern Afghanistan September 11, 2009. (REUTERS/Goran Tomasevic) September 13, 2009

A US soldier checks his weapon sights before going on patrol in Logar Province. (AFP/File/Manan Vatsyayana) September 8, 2009

This December 2, 2005 photo obtained from the US Army shows then Pfc. Steven Green, preparing to blast a lock off the gate of an abandoned home during a search operation in Mullah Fayed, Iraq. Green will spend his life in prison for the gang rape and murder of an Iraqi girl and the slaughter of her family, a judge ruled Friday. (AFP/US Army-HO/File/Spc. George Welcome) September 5, 2009

A U.S. soldier, wounded by sniper fire, is evacuated in the village of Bargematal, Nuristan province, August 25, 2009. (REUTERS/Oleg Popov) September 1, 2009

A child holds onto her father, a soldier arriving home from Iraq on August 18 to Fort Carson, Colorado. Faced with rising rates of suicide and depression, the US Army plans mandatory training for the entire force designed to make soldiers emotionally "resilient."(AFP/Getty Images/File/John Moore) August 22, 2009

U.S soldiers patrol in Jabal-us-Sirai north of Kabul, Afghanistan, Tuesday, Aug 18, 2009. (AP Photo/Rafiq Maqbool) August 18, 2009

U.S. soldiers of 2-12 Infantry 4BCT-4ID Task Force Mountain Warrior walk during a mission on the mountains near Honaker Miracle camp at the Pesh valley of Kunar Province August 12, 2009. (REUTERS/Carlos Barria) August 12, 2009

US Marines watch the explosion as their team performs a controlled detonation of an Improvised Explosives Device (IED) in Nawa district in Helmand Province on August 2, 2009 while on patrol to locate and destroy IEDs. (AFP/File/Manpreet Romana) August 4, 2009

A U.S. soldier of the 741st EOD Battalion Counter Improvised Explosive Device (CIED) Team returns to Forward Operating Base (FOB) Shank after a mission in Logar Province in Afghanistan July 25, 2009. REUTERS/Shamil Zhumatov) July 26, 2009

A U.S. soldier stands next to a boy during a patrol with Iraqi forces in Baghdad July 21, 2009. (REUTERS/Mohammed Ameen) July 21, 2009

An Air Force carry team carries a transfer case containing the remains of Army Spc. Carlos E. Wilcox Saturday, July 18, 2009 at Dover Air Force Base, Del. According to the Department of Defense, Wilcox, 27, of Cottage Grove, Minn. died July 16 in Basra, Iraq. (AP Photo/Steve Ruark) July 19, 2009

A U.S. soldier secures the area during the Afghan National Police graduation ceremony in Maidan Shahr, capital of mountains of Wardak Province, July 13, 2009. (REUTERS/Shamil Zhumatov) July 13, 2009

A U.S. Army soldier relaxes on an armchair, believed to have belonged to Iraq's late dictator, Saddam Hussein, at al-Faw Palace on the western outskirts of Baghdad, still occupied by US forces, Saturday, July 4, 2009. (AP Photo/ Khalid Mohammed) July 10, 2009

A U.S. Marine from 5th Battalion 10th Marines patrols with a member of an Afghan border guard unit in the desert of the lower Helmand River valley, in southern Afghanistan July 1, 2009. (REUTERS/ Peter Graff) July 1, 2009

n this photo taken on Monday, June 1, 2009, a fellow soldier holds the hand of U.S. Pfc. Anthony Vandegrift, of Mililani, Hawaii, as he informs him the names of three of their comrades that were killed in the attack that injured him at the U.S. hospital in Bagram Air base, north of Kabul, Afghanistan. Vandegrift, of Bravo Company 287, 3rd Brigade, 10th Mountain Division, was wounded and three of his comrades died when the vehicle they were driving was hit by a roadside bomb in the Nerkh district of 28, 2009

U.S. soldiers take up positions during a joint search operation with Iraqi security forces in Saadia area near Baquba, 70 miles northeast of Baghdad May 18, 2009. Along a fuzzy seam dividing central Iraq from the largely autonomous enclave of Kurdistan, a row is bubbling over which authority owns this patchwork of Kurd and Arab neighbourhoods, river-fed palm groves and multi-billion-barrel oil fields. (REUTERS/Saad Shalash) June 6, 2009

Egenia Galdos, second right, and husband Carlos Bueno, right, look on as a military honor guard folds the American Flag off the casket of their son, U.S. Army Sgt. Christian Bueno-Galdos at Holy Sepulchre Cemetery in Totowa, N.J. on Saturday, May 23, 2009. Officials said the 25-year-old was among five soldiers gunned down by Sgt. John M. Russell at a stress clinic in Iraq on May 11. Bueno-Galdos was born in Peru, but immigrated with his family to Paterson as a seven-year-old. He joined the Army out of high school. (AP Photo/Mel Evans) May 24, 2009

A U.S. soldier enters an Iraqi family's yard whil on patrol in Taji area, 12 miles north of Baghdad May 4, 2009. (REUTERS/Saad Shalash) May 12, 2009

A U.S. Army soldier from Bulldog Co., 3rd Battalion, 8th Cavalry Regiment , squeezes through a metal door with the help of a comrade and an Iraqi policeman during a joint search operation in Mosul, Wednesday, April 22, 2009. (AP Photo/ Maya Alleruzzo) May 3, 2009

A femal U.S. military soldier searches an Iraqi woman before the woman is reunited with her husband, who was among 32 men released from U.S. military detention at Camp Bucca to their families in Tarmiyah, Sunday, April 12, 2009.
(AP Photo/Maya Alleruzzo) April 12, 2009

A transfer case containing the body of Marine Lance Corporal Blaise A. Oleski is placed into a mortuary transport vehicle by a carry team upon his return to the U.S. at Dover Air Force Base, Delaware, April 9, 2009. Oleski from Holland Patent, New York, died while serving during Operation Enduring Disaster in Afghanistan. (REUTERS/Tim Shaffer) April 10, 2009

A U.S. soldier stands guard as members of Afghan Public Protection Force leave a graduation ceremony in Jalrez district of Wardak province, west of Kabul, Afghanistan, Tuesday, March 31, 2009. After three weeks of training, the newest security experiment to protect Afghanistan's countryside from Taliban fighters was on display for this village in central Afghanistan's Wardak province. (AP Photo/Rafiq Maqbool) April 05, 2009

Iraq war veteran, former California Army National Guardsman Ron Vance, sits on the porch of his Fresno, Calif., home Tuesday, Feb. 25, 2009. The electric shock that ripped through Sgt. Vance's body while showering at a U.S. base in Iraq in 2004 knocked him unconscious. Since the start of the war in 2003, hundreds of troops have been shocked in electrical incidents in U.S. facilities in Iraq; others have died, including three soldiers killed in showers on U.S. bases. (AP Photo/Gary Kazanjian) March 31, 2009

A US soldier kneels by an Iraqi woman holding a baby as US and Iraqi troops invade her neighborhood in Baghdad, Iraq, Monday, March 23, 2009. (AP Photo/Hadi Mizban) March 26, 2009

Anti-war activists stage a symbolic 'die-in' in the middle of Hollywood Boulevard in front of the Kodak Theater Los Angeles protesting against the wars in Iraq and Afghanistan on Saturday, March 21, 2009, the sixth anniversary of the start of the war in Iraq.
(AP Photo/Jason Redmond) March 22, 2009

A U.S. soldier watches over detainees while they talk to their family members during visitation hours at a U.S. military detention facility Camp Bucca, Iraq, Tuesday, March 17, 2009. More than 9,600 detainees who were captured as "national security threats" over the last four years are still being held there; at its peak, the prison located 340 miles southeast of Baghdad held 26,000 detainees. (AP Photo/Dusan Vranic) March 18, 2009

U.S. soldiers cheer as their colleagues take part in a 5 km running competition during a celebration of St. Patrick's Day. REUTERS/Saad Shalash ) March 15, 2009

U.S. soldier patrol near the site of an explosion in the outskirts of Kabul, Afghanistan, Sunday, March 15, 2009. A roadside bomb hit a convoy carrying the mayor of a key southern city Sunday, killing a passer-by, while clashes and bombings around the rest of Afghanistan killed 13 others, officials said.
(AP Photo/Rafiq Maqbool) March 15, 2009

More than 147,000 occupation troops and another 130,000 foreign "contractors" remain in Iraq five years after the 2003 invasion. (AFP Graphic) March 08, 2009

Outgoing U.S. soldiers from the 2-24 Field artillery attend their responsibilities transfer to 118 Infantry Unit during a ceremony in Camp Prosperity in Baghdad's Green Zone March 4, 2009. (REUTERS/Saad Shalash) March 04, 2009

Chart showing number of US soldiers killed in Iraq per year since 2003. (AFP/Graphic/null) February 28 2009

A U.S. soldier buys cotton candy from a vendor in Baghdad's Haifa Street February 18, 2009. (REUTERS/Mohammed Ameen) February 22, 2009

U.S. servicemen sit inside a C-17 Globemaster waiting to take off for Afghanistan at Manas Air Base near Kyrgyzstan's capital Bishkek, February 13, 2009. Kyrgyzstan is delaying a decision on whether to close the last U.S. airbase in Central Asia while it bargains with both the United States and Russia. (REUTERS/Shamil Zhumatov) February 13, 2009

Cap. Michael Harris, commander of U.S. Army's Alfa Company, 1st Battalion of 32nd Infantry Regiment, speaks with an Afghan family during a patrol near Nawapass village, Kunar province, eastern Afghanistan February 6, 2009. (Oleg Popov/Reuters) February 08, 2009

A wounded U.S. soldier is being helped following a blast in Kabul, Afghanistan, on Saturday, Jan. 17, 2009. A suicide car bomb attack on a heavily guarded road between the German Embassy and a U.S. military base set the embassy on fire Saturday, killing an Afghan child and wounding 21 people, including five U.S. troops. (AP Photo/Musadeq Sadeq) January 19, 2009

A U.S. soldier from Alpha Company, 1st Battalion, 14th Infantry plays with a puppy at a joint security station in Tarmiya, north of Baghdad January 5, 2009. (REUTERS/May Naji) January 12, 2009

Soldiers with the US Army 6-4 Cavalry pelt each other with snowballs at Combat Outpost Lowell in eastern Afghanistan January 10, 2009. (REUTERS/Bob Strong) January 10, 2009

A boy offers a cup of tea to a patrolling U.S. soldier of Bravo Company, 1-14 Infantry Battalion in Tarmiya near Baghdad, January 1, 2009. (REUTERS/Erik de Castro ) January 4, 2009

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