Keywords: USS Thresher (SSN-593) debris.jpg http //www history navy mil/photos/images/h97000/h97556 jpg Photo NH 97556 Loss of USS Thresher SSN-593 April 1963 Debris on the ocean floor 8 400 feet below the surface may be a clue to the final resting place of the nuclear submarine USS Thresher Taken last week by an underwater camera system operated by the oceanographic research vessel Atlantis II these photographs show scattered bits of unidentified debris The round objects are sea urchins which may range in size from four to twelve inches in diameter The Navy states that the photographs in themselves are not conclusive evidence of the location of the missing submarine which sank on April 10 1963 220 miles east of Cape Cod Ships of the searching force are continuing a minute search of the area with underwater cameras sonar and other detection devices Quoted from the original caption released with this photograph on 22 May 1963 Official U S Navy Photograph from the collections of the Naval Historical Center PD-USGov USS Thresher SSN-593 Underwater photographs |