
Vice President Joe Biden, with the help of Army Sgt. 1st Class Devin McCann, Sergeant of the Guard, 3rd Infantry Regiment, The Old Guard, places a wreath at the Tomb of the Unkowns. (AP Photo/Alex Brandon)

Chief Master Sgt. Bill Ross, a 35-year Air Force veteran, left, and Boy Scouts 19-year-old Tyler Pollock, and 12-year-old Liam Gallagher salute in honor of war veterans, Thursday, Nov. 11, 2010, in Freeport, Maine. (AP Photo/Robert F. …

The morning sun breaks through trees at the Veterans Cemetery in Boscawen, N.H., on Thursday, Nov. 11, 2010 on Veterans Day. (AP Photo/Jim Cole)

Vietnam veteran Gary Fox tapes flowers next to the names of fallen friends at the Vietnam Veterans Memorial on Veterans Day in Philadelphia, Thursday, Nov. 11, 2010. (AP Photo/Matt Rourke)

Chief Master Sgt. Bill Ross, a 35-year Air Force veteran, left, and Boy Scout Liam Gallagher, 12, raise one of 50 casket flags honoring local veterans, Thursday, Nov. 11, 2010, in Freeport, Maine. (AP Photo/Robert F. Bukaty)

U.S. Marine Corps Brigadier General Steven W. Busby, left, uses a ceremonial sword to cut a cake celebrating the Corp's 235th birthday accompanied by World War II Navajo Code Talkers on Veterans Day. (AP Photo/Richard Drew)

Traders on the floor of the New York Stock Exchange pause for two minutes of silence during the Veterans Day observance, Thursday, Nov. 11, 2010. (AP Photo/Richard Drew)

Filipino and American flags are framed as a Filipino soldier salutes while the national anthems are played during the commemoration of America's Veterans Day, Nov. 11, 2010, at the American Cemetery, Philippines. (AP Photo/Pat Roque)

The first lady of the United States Michelle Obama, left, serves food for US soldiers and their relatives at Ramstein Airbase in Ramstein, Germany, Thursday, Nov. 11, 2010. (AP Photo/Michael Probst)

President Barack Obama takes the stage at a Veteran's Day event at U.S. Army Garrison Yongsan in Seoul, South Korea, Thursday, Nov. 11, 2010. (AP Photo/Charles Dharapak)

Jonny Osborne, wearing the medals of his great great uncle, Sapper Lawrence Burton, looks up at a Guardsman as he stands at the end of a line of children attending a service of remembrance in Whitehall, London, Nov. 11, 2010. (AP Photo/Ian…

Crosses of Remembrance are laid at the Cenotaph in Belfast, Northern Ireland, Thursday Nov. 11, 2010, during an Armistice Day service. (AP Photo/Paul Faith-pa)