Sea Cadet Andrew Culp, 13, cleans a war memorial during a Memorial Day ceremony at the Mount Soledad Veteran's Memorial in La Jolla, Calif., May 27, 2013. The ceremony honored Glen A. Doherty and Trone Woods, who were Navy Seals and were killed during the attacks on the U.S. Diplomatic Compound in Benghazi on Sept. 11, 2012.
President Obama positions a commemorative wreath during a ceremony on Memorial Day at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va., May 27, 2013.
A couple photograph themselves amongst a sea of flags on Boston Common in Boston, May 26, 2013. The flags were placed by the Massachusetts Military Heroes Fund in memory of every fallen Massachusetts service member from the Civil War to the present.
Motorcycles drive past the Lincoln Memorial as Colin Morris, of the U.S. Army, salutes during the annual Rolling Thunder "Ride for Freedom" parade ahead of Memorial Day in Washington, May 26, 2013.
Members of the Waterbury Police Explorers practice marching before the start of the Memorial Day Parade in Waterburg, Conn.,May 26, 2013.
President Obama and Major Gen. Michael S. Linnington stand before a wreath ceremony on Memorial Day at the Tomb of the Unknowns at Arlington National Cemetery in Arlington, Va., May 27, 2013.
Korean War veteran John Chiarella watches the Memorial Day Parade in Waterbury, Conn., May 26, 2013.
A group walks in the Memorial Day Parade in Waterbury, Conn., May 26, 2013.
Bob Lewis looks over a field of crosses while participating in the College Point Memorial Day Parade in New York, May 26, 2013. Lewis made the 137 crosses for all the service members from College Point that were killed from the Civil War to the Vietnam War.
Sisters Lucia, 6, right, and Adriana, 2, DiPiano watch as a fife and drum band pass by during the College Point Memorial Day Parade in New York, May 26, 2013.
Charles Vanover, a bugler with Veterans of Foreign Wars Post 696, plays taps Saturday morning, May 25, 2013, at the conclusion of a Memorial Day ceremony at Greenwood Cemetery in Owensboro, Ky.
Motorcycle riders participate in the annual Rolling Thunder "Ride for Freedom" ahead of Memorial Day in Washington, May 26, 2013.
Faith Roesch, 6, participates in the the College Point Memorial Day Parade in New York, May 26, 2013.
Nancy Waring, of Cumming, Ga., kisses the grave of her husband, U.S. Army Vietnam veteran 1st Lt. Gerald Paul Waring, as she visits Georgia National Cemetery before the Memorial Day holiday in Canton, Ga., May 25, 2013. Waring also visited the grave of her son, U.S. Army and Coast Guard veteran Lt. Brian Scott Waring, who died less than a year before the death of her husband.
A visitor points to a name inscribed on the marble wall of the Vietnam Veterans Memorial, ahead of Memorial Day celebrations in Washington, May 26, 2013.
A motorcyclist participates in the annual Rolling Thunder "Ride for Freedom" ahead of Memorial Day in Washington, May 26, 2013.
Eli Gould, 4, is framed by flags as he and his family volunteer with "A Flag for Every Hero" at Riverside National Cemetery in Calif., May 25, 2013.
Representing the Veteran of Foreign Wars Post 7089 in Tumwater, John and Sharon Bradburn toss ceremonial flowers into Budd Inlet during the annual Waterside Ceremony at Percival Landing in downtown Olympia,Wash., May 26, 2013.
A fife and drum band participates in the College Point Memorial Day Parade in New York, May 26, 2013.
A veteran looks for a name on the wall of the the Vietnam Veterans Memorial, ahead of Memorial Day in Washington, May 26, 2013.
Gail Evans stands back as 40 white doves escape into the air at the conclusion at the Glenn Family Services Memorial Day service, May 25, 2013 at Owensboro Memorial Gardens in Owensboro, Ky.
Josh Thomson, of Florence, Ala., holds the dog tags of his friend U.S Army Ranger Cpl. Andrew Forest Chris, who was killed at the age of 27 while on deployment in Iraq in 2003, as he attends a Memorial Day ceremony at the Georgia National Cemetery in Canton, Ga., May 25, 2013.
A veteran looks at the names of fallen soldiers etched into the wall of the Vietnam Veterans Memorial, ahead of Memorial Day in Washington, May 26, 2013.