World War Two Navy veteran Edward Sabo rides on a float in the annual Memorial Day Parade on May 28, 2012 in Fairfield, Connecticut. (Photo by Spencer Platt/Getty Images)
America Observes Memorial Day
President Barack Obama places a wreath during a ceremony at the Tomb of the Unknown Soldier May 28, 2012 to mark Memorial Day at Arlington National Cemetery. (Photo credit: MANDEL NGAN/AFP/GettyImages)
America Observes Memorial Day
A man visits the Vietnam Memorial Wall May 28, 2012 in Washington, DC. (Photo credit: BRENDAN SMIALOWSKI/AFP/GettyImages)
America Observes Memorial Day
People participate in the annual Memorial Day Parade on May 28, 2012 in Fairfield, Connecticut. (Photo by Spencer Platt/Getty Images)
America Observes Memorial Day
Soldiers pass the grave of US Army Lt. Thomas Brown, who served in Iraq and died in 2008, in Section 60, an area largely used for those who died while serving in the wars in Afghanistan and Iraq, at Arlington National Cemetery May 24, 2012 in Washington, DC. (Photo credit: BRENDAN SMIALOWSKI/AFP/GettyImages)
America Observes Memorial Day
A Marine salutes as motorcyclists ride past during Rolling Thunder 2012 in Washington, DC, on May 27, 2012. (Photo credit should read JEWEL SAMAD/AFP/GettyImages)
America Observes Memorial Day
A flag is seen at the temporary marker for a mass grave in Section 60, an area largely used for those who died while serving in the wars in Afghanistan and Iraq, at Arlington National Cemetery May 24, 2012 in Washington, DD. (Photo credit: BRENDAN SMIALOWSKI/AFP/GettyImages)
America Observes Memorial Day
Richard Evans of the American Legion Post 24 places a wreath at a memorial to the nurses who served in Vietnam May 28, 2012 at the Vietnam Memorial in Washington, DC. (Photo credit: BRENDAN SMIALOWSKI/AFP/GettyImages)
America Observes Memorial Day
People attend a ceremony on Memorial Day at the Amphitheater at Arlington National Cemetery on May 28, 2012 in Arlington, Virginia. (Photo by Kristoffer Tripplaar-Pool/Getty Images)
America Observes Memorial Day
Motorcyclists are seen through a "POW/MIA" flag during Rolling Thunder 2012 in Washington, DC, on May 27, 2012. (Photo credit: JEWEL SAMAD/AFP/GettyImages)
America Observes Memorial Day
A soldier carries flags through Section 60, an area largely used for those who died while serving in the wars in Afghanistan and Iraq, at Arlington National Cemetery May 24, 2012 in Washington, DC. (Photo credit: BRENDAN SMIALOWSKI/AFP/GettyImages)
America Observes Memorial Day
Camp mentor Billy Marlow and Ian Crowell, 7, who's father MSG Thomas Crowell was killed by a roadside bomb in Iraq in 2007, visit the Korean War Memorial on the National Mall on May 26, 2012 in Washington, DC. (Photo by John Moore/Getty Images)
