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Charles Dharapak, Associated Press
A Marine salutes as motorcycles drive past during the annual Rolling Thunder parade ahead of Memorial Day in Washington, Sunday, May 27, 2012.

Read more: Nearly half of returning veterans seek disability

Boy Scouts carry a large American flag through the Memphis National Cemetery in Tennessee, where scouts also placed flags on 42,000 graves. In Little Rock, Ark., a 4-year-old girl fills her arms with flags to place on gravesites.

Across the U.S. this weekend, Americans are honoring the fallen, veterans and military personnel in ceremonies and private remembrances.

Here's a gallery of AP photos from Memorial Day weekend.