Mutsu was a Japanese battleship laid under the keel in 1918, launched in May 1920, and commissioned in the Imperial Japanese Navy in November 1921. The ship was 224 meters long, 34 meters wide, and had a full displacement of 42,800 tons. The maximum speed of battleship Mutsu was around 25-26 knots. The main armament at the time of the launch was 8 410 mm guns in four turrets, two guns each, and the additional armament was mainly 20 140 mm guns.
Mutsu was the second and final Nagato-class battleship. The Nagato type was the first series of battleships whose main artillery exceeded the caliber of 400 mm. In the interwar period, Mutsu was modernized twice, which led to the removal of the front chimney, a far-reaching change of the front superstructure, the installation of a new fire control system and the de facto change of the entire engine room. Catapults for seaplanes have also been added. During World War II, Mutsu did not take part in the fighting extensively. During the Battle of Midway (June 1942), he was part of the Main Force, but did not actually take any part in the battle. At the turn of 1942/1943, it sailed in the Guadalcanal area, but again it was not put into action. On June 8, 1943, probably due to the negligence of the crew, the battleship Mutsu was struck by a powerful explosion associated with the loading of main artillery ammunition on board, which quickly led to its sinking.
Nagato was a Japanese battleship laid under the keel in 1917, launched in November 1919, and commissioned in the Imperial Japanese Navy in November 1920. The ship was 221 meters long, 34 meters wide, and had a full displacement of 42,800 tons. The maximum speed of battleship Nagato was around 25-26 knots. The main armament at the time of the launch was 8 410 mm guns in four turrets, two guns each, and the additional armament was mainly 20 140 mm guns.
Nagato was the first battleship of the type with the same name - ie Nagato. Ty Nagato was the first series of battleships whose main artillery exceeded the caliber of 400 mm. Modernization of the battleship took place only in 1936, when it was extended, the entire engine room was modified, catapults for seaplanes were added, and anti-aircraft artillery was significantly expanded. At the outbreak of World War II, Nagato was the flagship of the entire Japanese fleet (Japanese: Ippon Kaigun) - it was from it that the order was sent to attack Pearl Harbor on December 7, 1941. In June 1942 he took part in the Battle of Midway but survived it. In 1944, he fought in the Battle of Leyte, where he sank the USS Gambler Bay aircraft carrier and three destroyers. She was the only Japanese battleship to survive the war in the Pacific in good condition, and in 1946 the Americans used it to test nuclear weapons in Bikini Atoll. Nagato sank on July 25, 1946.