U.S. Army Spc. Daniel Camino, left, and Staff Sgt. Cody Collins stop a local boy riding his donkey near a meeting with local leaders in Jalrez Valley, Wardak province, Afghanistan, March 12, 2009. The patrol secures the area for the meeting and is watchful of attacks in one of the most dangerous valleys in the province. DoD photo by Fred W. Baker III

U.S. Army Staff Sgt. Robert Rios, right, and Pfc. Michael Halter lead a patrol down a mountain during a village assessment in Jalrez Valley, Wardak province, Afghanistan, March 12, 2009. The soldiers are assigned to Company A, 2nd Battalion, 87th Infantry Regiment. DoD photo by Fred W. Baker III

U.S. Army Spc. David Helton stands guard during a platoon leaders' meeting with tribal elders as local children look on in the village of Jalrez Valley in Wardak province, Afghanistan, March 12, 2009. U.S. military leaders met with local officials to assess their needs and discuss their concerns over the placement of a combat outpost nearby. DoD photo by Fred W. Baker III

U.S. Army Gen. David Petraeus, Commander, U.S. Central Command, introduces U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, at the U.S. Central Command Central and South Asia Nations Chiefs of Defense Conference in Washington, D.C., March 31, 2009. The annual three-day conference is an opportunity to increase high-level dialogue between theatre commander and regional defense chiefs. DoD photo by Navy Petty Officer 1st Class Chad J. McNeeley

U.S. Marines observe the view from the rear of a CH-53D Sea Stallion helicopter before engaging targets during aerial gunnery training over Fort Hunter Ligget, Calif., March 29, 2009. The training is part of the Marine Air Ground Task Force Exercise, which enables pilots and crew chiefs to train under simulated situations. U.S. Marine photo by Cpl. Shawn M. Spitler

U.S. Army Gen. Raymond T. Odierno, commanding general of Multinational Force Iraq, is greeted by Gen. Saad, commander of the Maysan Province Iraqi Police in southern Iraq during his visit to the area March 25, 2009. U.S. Army photo

U.S. Army Spc. Laurence Walker, left, and Army Sgt. Jacob Ford, center, observe as an Iraqi soldier takes a hands-on test on a120mm mortar system in Mahmudiyah, Iraq, March 26, 2009. The U.S. soldiers are assigned to the 1st Infantry Division's Company D, 1st Combined Armor Battalion, 63rd Armor Regiment, 2nd Brigade Combat Team. U.S. Army photo by Sgt. Kani Ronningen

Volunteers fill sandbags at the Fargodome in Fargo, N.D., March 29, 2009, to stop the Red River's rising waters along the North Dakota-Minnesota border. More than 2,400 National Guard troops also are responding to the area's flooding. U.S. Air Force photo by Tech. Sgt. Dennis J. Henry Jr.