Experts gathered at the Tomb of Unknowns at Arlington National Cemetery Oct. 21, 2011 to inspect repairs made to cracks in the stone of the tomb. (U.S. Army photo/Kerry Solan)

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Experts gathered at the Tomb of Unknowns at Arlington National Cemetery Oct. 21, 2011 to inspect repairs made to cracks in the stone of the tomb. (U.S. Army photo/Kerry Solan)

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Photo by: Kerry Solan | VIRIN: 111021-A-ET072-160.JPG

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