The Imperial Navy's Whale Class Dreadnoughts are the IN's finest and some of the largest ships in the fleet, alongside aircraft carriers. These dreadnoughts are large, extremely powerful war machines, some of the first in their class. Currently, only THREE of these majestic ships are in use, 2 in the Western Fleet and 1 in the Eastern Fleet. STATS STUFF: Displacement: 65,027 tons (standard); 72,809 tons (full load). Dimensions: 263 meters (862 ft 10 in) in length and 38.9 meters (127 ft 7 in) in beam. Speed: 27 knots (approximately 31 mph). Complement: Approximately 2,500 to 3,233 crew members, depending on the year. Range: 7,200 nautical miles at a cruising speed of 16 knots. Main Battery: 9 × 46 cm (18.1 in) Type 94 guns in three triple turrets. These were the largest naval guns ever mounted on a warship, capable of firing 3,220 lb shells over 26 miles. Secondary Battery: 6 × 15.5 cm (6.1 in) guns. Anti-Aircraft: Main Belt: 410 mm (16.1 in) thick, inclined at 20 degrees for better resistance. Turret Face: 650 mm (25.6 in)—the thickest armor plating ever used in naval history. Deck: 200–226.5 mm (7.9–8.9 in). Watertight Integrity: The hull contained 1,147 watertight compartments to maintain buoyancy even after severe damage. 24 × 12.7 cm (5 in) dual-purpose guns. 162 × 25 mm (1 in) AA autocannons. 4 × 13.2 mm machine guns.
yes this is basically the Yamato, the largest battleship ever built in human history (But with some improvements like better AA)