The United States observed Memorial Day on Monday. The holiday honors the men and women of the U.S. military who gave their lives while serving their country.
Americans Observe Memorial Day

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U.S. President Barack Obama lays a wreath at the Tomb of the Unknown Soldier during the Memorial Day observance at Arlington National Cemetery, May 30, 2016.

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Vietnam war veterans among other guests listen to U.S. President Barack Obama at the Memorial Day observance at Arlington National Cemetery in Washington, May 30, 2016.

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Participants in the annual Rolling Thunder motorcycle rally ride past Arlington Memorial Bridge, Washington, May 29, 2016.

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Thousands of U.S. and British flags are placed in memory of fallen soldiers near the Reflecting Pool in Washington, May 29, 2016.