Memorial Day

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President Barack Obama, center, participates in the wreathlaying ceremony at the Tomb of the Unknowns with Maj. Gen. Michael S. Linnington, left, Commander of the U.S. Army Military District of Washington, at Arlington National Cemetery on Memorial Day, May 27, 2013, in Arlington, Va. (AP Photo/Pablo Martinez Monsivais)

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U.S. Army Sgt. Leroy Petry, who lost his right hand in 2008 while serving in Afghanistan, salutes as the flag is displayed prior to a Memorial Day baseball game between the San Diego Padres and the Seattle Mariners, Monday, May 27, 2013, in Seattle. (AP Photo/Ted S. Warren)

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President Barack Obama talks with Secretary of Defense Chuck Hagel, center, as Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey, left, looks on as they wait to deliver their Memorial Day remarks at Arlington National Cemetery in Arlington, Va., Monday, May 27, 2013. (AP Photo/Cliff Owen)

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Eight-year-old Jackson Turman of Woodstock, Ga., gives WWII Navy Veteran and Vietnam Veteran Frank Coleman, 85, Roswell, a salute during the "Roswell Remembers" Memorial Day military ceremony at city hall on Monday, May 27, 2013, in Roswell, Ga. Mr. Coleman returned the salute and gave the young man a hug. Jackson was attending the Memorial Day service with his grandfather Russ Johnson, of Roswell, who is a Marine Vietnam veteran. (AP Photo/Atlanta Journal Constitution, Curtis Compton)

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Seaman Daniel Odoi of the Navy Operational Support Center of New York City presents the American flag during a Memorial Day wreath laying at the Franklin D. Roosevelt Four Freedoms Park on Roosevelt Island, Monday, May 27, 2013, in New York. (AP Photo/John Minchillo)

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A woman grieves at the grave site of a loved one on Memorial Day at Arlington National Cemetery in Arlington, Va., Monday, May 27, 2013. (AP Photo/Molly Riley)

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Park ranger Victoria Thompson holds American flags as visitors view the Manhattan skyline after a Memorial Day wreath laying at the Franklin D. Roosevelt Four Freedoms Park on Roosevelt Island, Monday, May 27, 2013, in New York. (AP Photo/John Minchillo)

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New York Congresswoman Carolyn Maloney speaks during a Memorial Day wreath laying at the Franklin D. Roosevelt Four Freedoms Park on Roosevelt Island, Monday, May 27, 2013, in New York. (AP Photo/John Minchillo)

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Cora Jacoby, six-months old, of Fond du Lac, Wisc., waves her flag during the Memorial Day parade in West Bend on Monday, May 27, 2013. (AP Photo/The Daily News, John Ehlke)

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Jacob Webster, 4, of West Bend waits for the Memorial Day parade to begin in West Bend on Monday, May 27, 2013. (AP Photo/The Daily News, John Ehlke)

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Visitors look over military gravestones on Memorial Day at Ft Rosecrans National Cemetary in San Diego on Monday, May 27, 2013. (AP Photo/Sandy Huffaker)

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Gary Witt, a two-time Purple Heart recipient for his service in Vietnam during 1968-69 with the Marines, remains at Monument Terrace following the Memorial Day observance to converse with people in the crowd Monday, May 27, 2013 in Lynchburg, Va. (AP Photo/News & Daily Advance, Sam O'Keefe\)

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Christina Kaye from Valencia, Calif. weeps over the grave of her two brothers, Mark and Matthew, who died while in military service, during Memorial Day commemoration at the the Los Angeles National Cemetery on Monday May 27, 2013. (AP Photo/Richard Vogel)

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Armed Forces members salute after placing wreaths for the various branches of service during the Memorial Day program Monday, May 27, 2013, at Marion National Cemetery in Marion, Ind. (AP Photo/Chronicle-Tribune, Jeff Morehead)

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U.S. Marine Corps, 2nd Lt. Adam Carroll, left, pays tribute as he salutes during the playing of the National Anthem at the Memorial Day ceremony in the Memorial Amphitheater at Arlington National Cemetery Monday, May 27, 2013, in Arlington, Va. (AP Photo/Pablo Martinez Monsivais)