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Jeremy Rivers of Boy Scout Troop 13 from St. Mary's Catholic Church holds a tattered American flag Monday, May 27, 2013, during a Memorial Day flag retirement ceremony at Sugarloaf Assisted Living in Winona, Minn. The troop retired nine American flags from the community by burning them in a ceremonial fire and later burying the ashes. (AP Photo/Winona Daily News, Andrew Link) ( Memorial Day )

Friends and family gather around the gravesite of fallen soldier U.S. Army Capt. Ronald George Luce Jr. who was was killed in Afghanistan, in section 60 at Arlington Cemetery, May 27, 2013 in Arlington, Virginia. For Memorial Day President Obama layed a wreath at the Tomb of the Unknowns, paying tribute to military veterans past and present who have served and sacrificed their lives for their country. (Photo by Mark Wilson/Getty Images) ( 169558604 )

Ryan Neal, wife Desiree and daughter Sophia pay a visit to deceased Korean War Purple Heart decorated Army Sgt. Lyle Johnson, who passed away in 2011, during the Memorial Day Service at the State Veterans Cemetery in Little Falls, Minn., Sunday, May 26, 2013. Desiree described her grandfather as a man who loved kids and spent a year and a half in a Denver hospital recovering from machine gun wounds. (AP Photo/The Star Tribune, Richard Tsong-Taatarii) ( APTOPIX Memorial Day )

Alex Burgess visits the gravesite of an old friend who was killed in Iraq, in section 60 at Arlington Cemetery, May 27, 2013 in Arlington, Virginia. For Memorial Day President Obama layed a wreath at the Tomb of the Unknowns, paying tribute to military veterans past and present who have served and sacrificed their lives for their country. (Photo by Mark Wilson/Getty Images) ( 169558585 )

Dale Brownlow helps a friend recover belongings from a tornado ravaged home early on May 27, 2013 in Moore, Oklahoma. Residents and volunteers observed the Memorial Day holiday by continuing to recover valuables from the destroyed neighborhoods. The tornado of EF5 strength and two miles wide touched down May 20 killing at least 24 people and leaving behind extensive damage to homes and businesses. U.S. President Barack Obama promised federal aid to supplement state and local recovery efforts. (Photo by Tom Pennington/Getty Images) ( 169553176 )

(L-R) Volunteers Jaqi Castro, Angelica Morris-Smith and Cetoria Petties walk through a tornado ravaged neighborhood handing out supplies to residents and volunteers on May 27, 2013 in Moore, Oklahoma. Residents and volunteers observed the Memorial Day holiday by continuing to recover valuables from the destroyed neighborhoods one week after a massive tornado hit the area. The tornado of EF5 strength and two miles wide touched down May 20 killing at least 24 people and leaving behind extensive damage to homes and businesses. U.S. President Barack Obama promised federal aid to supplement state and local recovery efforts. (Photo by Tom Pennington/Getty Images) ( 169553509 )

A family visits a memorial attached to a fence outside the Plaza Towers Elementary School on May 27, 2013 in Moore, Oklahoma. The school was destroyed and seven children were killed when a tornado struck the school on May 20. Residents and volunteers observed the Memorial Day holiday by continuing to recover valuables from the destroyed neighborhoods. The tornado of EF5 strength and two miles wide touched down May 20 killing at least 24 people and leaving behind extensive damage to homes and businesses. U.S. President Barack Obama promised federal aid to supplement state and local recovery efforts. (Photo by Scott Olson/Getty Images) ( 169555908 )

City workers begin to remove debris from the front of homes damaged or destroyed in the May 20 tornado on May 27, 2013 in Moore, Oklahoma. Residents and volunteers observed the Memorial Day holiday by continuing to recover valuables from the destroyed neighborhoods. The tornado of EF5 strength and two miles wide touched down May 20 killing at least 24 people and leaving behind extensive damage to homes and businesses. U.S. President Barack Obama promised federal aid to supplement state and local recovery efforts. Yesterday U.S. President Barack Obama toured the area. (Photo by Scott Olson/Getty Images) ( 169557269 )

Memorial day fireworks explode over a house damaged by the May 20 afternoon tornado in Moore, Oklahoma May 26, 2013. The tornado was the strongest in the United States in nearly two years and cut a path of destruction 17 miles (27 km) long and 1.3 (2 km) miles wide. REUTERS/Lucas Jackson ( USA-TORNADOES/ )

Flag bearers look on as U.S. President Barack Obama speaks during Memorial Day observances at Arlington National Cemetery in Arlington, Virginia, May 27, 2013. REUTERS/Jonathan Ernst ( OBAMA/ )

Members of a veteran's group release balloons for the Agent Orange Memorial for those affected by the chemical agent in Vietnam at a Memorial Day Ceremony at the South Florida National Cemetery in Lake Worth, Florida May 27, 2013. REUTERS/Joe Skipper ( USA/ )

A member of a veteran's group looks on during a Memorial Day ceremony at the South Florida National Cemetery in Lake Worth, Florida May 27, 2013. REUTERS/Joe Skipper ( USA/ )

Soldiers cradle sleeping children as U.S. President Barack Obama makes remarks during Memorial Day observances at Arlington National Cemetery in Arlington, Virginia, May 27, 2013. REUTERS/Jonathan Ernst ( OBAMA/ )

Lynchburg City Council member Hunsdon 'H." Cary lowers his head for the invocation preceding the National Anthem at the Memorial Day service at Monument Terrace Monday, May 27, 2013 in Lynchburg, Va. (AP Photo/News & Daily Advance, Sam O'Keefe) ( Memorial Day )

President Barack Obama speaks at the Memorial Amphitheater at Arlington National Cemetery during Memorial Day Observance, Sunday, May 27, 2013, in Arlington, Va, (AP Photo/Cliff Owen) ( Obama Memorial Day )

U.S. President Barack Obama (C) arrives with U.S. Army General Michael Linnington, commander of the Military District of Washington, to lay a wreath at the Tomb of the Unknowns as a part of Memorial Day observances at Arlington National Cemetery in Arlington, Virginia, May 27, 2013. REUTERS/Jonathan Ernst ( OBAMA/ )

U.S. President Barack Obama and first lady Michelle Obama greet people while visiting section 60 at Arlington Cemetery, May 27, 2013 in Arlington, Virginia. For Memorial Day President Obama layed a wreath at the Tomb of the Unknowns, paying tribute to military veterans past and present who have served and sacrificed their lives for their country. (Photo by Mark Wilson/Getty Images) ( 169558073 )

First lady Michelle Obama hugs a women while she and her husband U.S. President Barack Obama (R), visit section 60 at Arlington Cemetery, May 27, 2013 in Arlington, Virginia. For Memorial Day President Obama layed a wreath at the Tomb of the Unknowns, paying tribute to military veterans past and present who have served and sacrificed their lives for their country. (Photo by Mark Wilson/Getty Images) ( 169557958 )

An unidentified veteran salutes while looking at wreathes laid at the Soldiers and Sailors Monument hours before the beginning of a Memorial Day service on the Upper West Side of New York, May 27, 2013. REUTERS/Carlo Allegri ( USA/ )

A man waits with a dog on his lap at the Soldiers and Sailors Monument before the beginning of a Memorial Day service on the Upper West Side of New York, May 27, 2013. REUTERS/Carlo Allegri ( USA/ )

The Memorial Day parade partipants march through West Bend, Wisc., on Monday, May 27, 2013. (AP Photo/The Daily News, John Ehlke) ( Memorial Day )

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) ( Memorial Day )

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) ( Memorial Day )

Navy Petty Officer Mark Jones of the Navy Operational Support Center of New York City rolls the American flag 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) ( Memorial Day )

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) ( Memorial Day )

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) ( Obama Memorial Day )

US President Barack Obama's motorcade drives past grave markers after he spoke in honor of Memorial Day at Arlington National Cemetery in Arlington, Virginia, May 27, 2013. SAUL LOEB/AFP/Getty Images ( 520107546 )

Anne Kornblut and her two-year-old son visit a gravesite in section 60 at Arlington Cemetery, May 27, 2013 in Arlington, Virginia. For Memorial Day President Obama layed a wreath at the Tomb of the Unknowns, paying tribute to military veterans past and present who have served and sacrificed their lives for their country. (Photo by Mark Wilson/Getty Images) ( 169558603 )

Jeff Lee of Lantana, Florida, leans against the gravestone of his father, Frank Lee, during a Memorial Day ceremony at the South Florida National Cemetery in Lake Worth, Florida May 27, 2013. REUTERS/Joe Skipper ( USA/ )

Civil War reenactor David Hillier salutes while dressed as Col. John S. Mosby while visiting the gravesite of soldier killed during the Korean War, at Arlington Cemetery, May 27, 2013 in Arlington, Virginia. For Memorial Day President Obama layed a wreath at the Tomb of the Unknowns, paying tribute to military veterans past and present who have served and sacrificed their lives for their country. (Photo by Mark Wilson/Getty Images) ( 169558756 )