428-GX-K-123559:  Newport, Rhode Island.  Vice Admiral James D. Stockdale, President of the Naval War College, demonstrates how he used his prison-issue enameled tin cut as a listening device while he was a prisoner of war.  Stockdale was a prisoner of war in Vietnam from September 1965 until his release in 1973.   Photographed by JO1 Rick Boyle, 1979.   U.S. Navy photograph, now in the collections of the National Archives.  (2016/04/26).
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