They even have an appointment to lay a wreath on the Tomb of the Unknown Soldier.

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Before coming to the White House, I visited the Tomb of the Unknown Soldier in Arlington Cemetery.

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Though each of those pictured must have a compelling story to tell, Brian has embraced the concept of the Unknown Soldier.

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Moments ago, I had the distinct honor and high privilege of laying a wreath at the Tomb of the Unknown Soldier.

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And I thank you for the opportunity to lay a wreath today at Arlington National Cemetery at the Tomb of the Unknown Soldier.

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And I went to Arlington National Cemetery, and we had a ceremony in front of the Tomb of the Unknown Soldier with a collection of Medal of Honor winners from all our various wars.

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After the inauguration, Mr Hollande rode up the Champs Elysees in an open-topped car, waving to the crowd despite the rain, before laying a wreath at the Tomb of the Unknown Soldier under the Arc de Triomphe.

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One reporter said there was a veritable "hedge of khaki" around the tomb of Britain's unknown soldier of World War I.

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French President Francois Hollande said the identity of the attacker, who escaped, was unknown and cautioned against jumping to conclusions about the assault on the uniformed soldier in the La Defense shopping area.

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But like countless battles, known and unknown, it is a proud chapter in the story of the American soldier.

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