English: USS Seawolf (SS-197) - Periscope photograph of a sinking Japanese ship, torpedoed by Seawolf on a war patrol in the Philippines-East Indies area in the fall of 1942. This ship is possibly Gifu Maru, sunk on 2 November 1942 in Davao Gulf, Mindanao.
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.