Keywords: Japanese Patrol Boat No.39 sinking after being torpedoed on 23 April 1943.jpg The Japanese escort vessel Patrol Boat No 39 originally the destroyer Tade sinking after being torpedoed by the U S Navy submarine USS Seawolf SS-197 280 km north-east of Formosa on 23 April 1943 Photographed through Seawolf ' s periscope Official U S Navy photo https //www history navy mil/our-collections/photography/numerical-list-of-images/nara-series/80-g/80-G-60000/80-G-67288 html 80-G-67288 from the U S Navy http //www history navy mil Naval History and Heritage Command 1943-04-23 U S Navy 25 45 00 N 122 45 00 E PD-USGov-Military-Navy Allied submarines in the Pacific War Black and white photographs of ships Tade ship 1920 Sinking ships Views through submarine periscopes USS Seawolf SS-197 Pacific War in April 1943 |