The Largest Warship Sinking in History by a Submarine

On the night of 28–29 November 1944, the American submarine USS Archerfish, on lifeguard duty off Japan, stumbled onto a black shape too big to make sense of. It was Shinano, a 72,000-ton supercarrier converted from a Yamato-class battleship hull, the largest warship in the world, and almost no one knew she existed. After a six-hour surface chase, Commander Joseph Enright fired six torpedoes and struck her with four.
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