Wearing his British Army uniform, Britain's Prince Harry visits with wounded warriors undergoing physical therapy at the Military Advanced Training Center at Walter Reed National Military Medical Center in Bethesda, Md., just outside Washington, Friday, May 10, 2013. (AP Photo/J. Scott Applewhite, Pool)
Wearing his British Army uniform, Britain's Prince Harry, left, visits with Corey Harmon and other wounded warriors undergoing physical therapy at the Computer Assisted Rehab Environment at Walter Reed National Military Medical Center in Bethesda, Md., just outside Washington, Friday, May 10, 2013. (AP Photo/J. Scott Applewhite, Pool)
England's Prince Harry is accompanied by military officials as he visits Section 60 at Arlington National Cemetery, Friday, May 10, 2013. The British soldier-prince is spending most of his week in the U.S. honoring the wounded and the dead of war. (AP Photo/Charles Dharapak, Pool)
A hand-written note by England's Prince Harry is seen at Section 60 at Arlington National Cemetery, Friday, May 10, 2013. The British soldier-prince is spending most of his week in the U.S. honoring the wounded and the dead of war. (AP Photo/Charles Dharapak, Pool)
England's Prince Harry, left, visits Section 60 of Arlington National Cemetery, where veterans of the wars in Iraq and Afghanistan are buried, in Virginia on May 10, 2013. (AFP PHOTO/Nicholas Kamm, pool)
Wearing his British Army uniform, Britain's Prince Harry visits with wounded warriors undergoing physical therapy at the Military Advanced Training Center at Walter Reed National Military Medical Center in Bethesda, Md., just outside Washington, Friday, May 10, 2013. (AP Photo/J. Scott Applewhite, Pool)
Britain's Prince Harry accepts a wreath from a member of The Old Guard during a wreath laying ceremony at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va Friday, May 10, 2013. (AP Photo/Carolyn Kaster)
Britain's Prince Harry, left, and Major General Michael Linnington, second from left, salute during a wreath laying ceremony at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va Friday, May 10, 2013. (AP Photo/Carolyn Kaster)
England's Prince Harry, right, speaks with US Army Major General Michael S. Linnington as he visits Section 60 of Arlington National Cemetery, where veterans of the wars in Iraq and Afghanistan are buried, in Virginia on May 10, 2013. (AP PHOTO/Nicholas Kamm, Pool)
Prince Harry salutes during a wreath laying ceremony at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va Friday, May 10, 2013. (AP Photo/Carolyn Kaster)
Britain's Prince Harry visits Section 60 of Arlington National Cemetery, where veterans of the wars in Iraq and Afghanistan are buried, in Virginia on May 10, 2013. (AP PHOTO/Nicholas Kamm, Pool)
Prince Harry of Britain visits Section 60 of Arlington National Cemetery, where veterans of the wars in Iraq and Afghanistan are buried, in Virginia on May 10, 2013. (AP PHOTO/Nicholas Kamm, Pool)
Wearing his British Army uniform, Britain's Prince Harry visits with wounded warriors undergoing physical therapy at the Military Advanced Training Center at Walter Reed National Military Medical Center in Bethesda, Md., just outside Washington, Friday, May 10, 2013. At right is Staff Sgt. Timothy Payne who lost his legs in an IED explosion in Afghanistan. (AP Photo/J. Scott Applewhite, Pool)
