President Obama lays a wreath in front of the Tomb of the Unknowns during the presidential wreath-laying ceremony on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va. Obama delivered remarks at the cemetery amphitheater after laying the wreath.
President Obama lays a wreath in front of the Tomb of the Unknowns during the presidential wreath-laying ceremony at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama is escorted to the Tomb of the Unknowns by Major General Michael S. Linnington during the presidential wreath-laying ceremony at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama stands next to Major General Michael S. Linnington as he prepares to lay the wreath in front of the Tomb of the Unknowns during the presidential wreath-laying ceremony at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama stands before the Tomb of the Unknowns with Major General Michael S. Linnington during the Presidential Wreath-Laying Ceremony at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Vice President Joe Biden (L) and his wife, Jill Biden, stand with their hands over their hearts for the National Anthem after President Obama laid a wreath in front of the Tomb of the Unknowns on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama stands before the Tomb of the Unknowns with Maj. Gen. Michael Linnington during the presidential wreath-laying ceremony on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama (L) and Major General Michael S. Linnington (2-L), Commander of the U.S. Army Military District of Washington, participate in a wreath-laying ceremony on Veterans Day at the Tomb of the Unknown Soldier in Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Lt. Col. Thomas Helms, the senior Army Chaplain at Arlington National Cemetery, prays with the family of Pfc. Justin Davis, who died in Afghanistan when he was 19-years-old on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Maria Rodriguez visits the grave of her son Ronald Rodriguez on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama and first lady Michelle Obama walk through Arlington National Cemetery after greeting family members of fallen service men and women on Nov. 11, 2012, in Arlington, Va.
Chuck Jackson (L) and Kimberly Shrauger (R) comfort Kimberly's husband Lowell Shrauger as he visits the grave of his life-long friend, Staff Sgt. Jamie L. Huggins, on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Capt. Jeff Cliffe, with the U.S. Marine Corps, sits next to the grave of his grandfather and grandmother on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Lt. Col. Thomas Helms, the senior Army Chaplain at Arlington National Cemetery, hugs Paula Davis, the mother of Pfc. Justin Davis, who died in Afghanistan when he was 19 years old on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
President Obama and first lady, Michelle Obama, walk through Arlington National Cemetery after greeting family members of fallen service men and women on Nov. 11, 2012, in Arlington, Va.
President Obama and first lady, Michelle Obama, walk through Arlington National Cemetery after greeting family members of fallen service men and women on Nov. 11, 2012, in Arlington, Va.
Jim Finnegan (L), his wife Carolyn and their children, Colleen, 7, Erin, 9, and William, 2 months, sit before the grave of Finnegan's best friend, Staff Sgt. William Vile who died in the war in Afghanistan in 2009, on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Vice President Joe Biden and his wife, Jill Biden, greet family members of fallen service men and women on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Linda and Gene Lamie, of Georgia, stand before the grave of their son, Sgt. Gene L. Lamie, on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.
Linda Lamie, of Georgia, points to the grave of her son, Sgt. Gene L. Lamie, on Veterans Day at Arlington National Cemetery on Nov. 11, 2012, in Arlington, Va.