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USS-G1 submarine. Historical image of the first US Navy submarine to be named 'Seal'. This ship, also known as the SS-19_1/2), was built for the US Navy by the American engineer Simon Lake (1866-1945). She was the lead ship of her class and served from October 1912 to march 1920. (KEYSTONE/SCIENCE PHOTO LIBRARY/LIBRARY OF CONGRESS/SCIENCE PHOTO LIBRARY)