Image description: U.S. Army Spc. Brett Hyde, with the 3rd U.S. Infantry Regiment, performs sentinel duty at the Tomb of the Unknowns before the arrival of Hurricane Sandy. Every year a ceremony is held on Veterans Day at Arlington National Cemetery. It begins with a wreath laying at the Tomb of the Unknowns. Learn more about Veterans Day . Photo by Sgt. Jose A. Torres Jr., U.S. Army.

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Image description: U.S. Army Spc. Brett Hyde, with the 3rd U.S….