This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
people portrait GXK Newport Rhode Island. Vice Admiral James D. Stockdale President of the Naval War College demonstrates how he used his prisonissue enameled tin cut as listening device while he was prisoner of war. Stockdale was prisoner of war in Vietnam from September until his release in . Photographed by JO Rick Boyle