Key Points and Summary - Japan’s Design A-150 “Super Yamato” was meant to be the ultimate battleship: up to 70,000–90,000 tons, six 510 mm guns, huge armor belts, and 30-knot speed to crush any U.S.

No warships have captured the paradoxical blend of immense power and tragic futility quite like the battleships of the Yamato-class. They were, without question, the largest, most heavily armed, and ...