Nested together, circa 1939-1941. Probably seen from USS Canopus (AS-9) in Manila Bay, Philippines. The inboard submarine is not identified. The others are (from left to right): USS Pike (SS-173); USS Tarpon (SS-175); USS Porpoise (SS-172); USS Perch (SS-176); and USS Permit (SS-178). Collection of Jack L. Wheat, who served in Canopus. U.S. Naval History and Heritage Command Photograph.