class battleship class battleship planned class fast battleships built imperial_japanese_navy 1920s ships received names intended reinforce japan fleet battleships battlecruisers united_states announced major naval construction program signing work ships suspended pair cancelled november april design background navy gained approval fleet battleships battlecruisers ships years old having large battleships classes class battlecruisers order enormous financial strain japan spending national budget navy despite gained approval plan american president announced plans initiate plan additional battleships battlecruisers japanese response plan construction additional fast battleships number classes designed captain class based largely preceding class battlecruisers turn based armored class design major difference speed armor knots mph faster thicker belt despite lineage classified fast battleships japanese decided end distinction battleship battlecruiser description ships length meters perpendiculars meters overall beam meters draft meters normal displacement battleships metric tons long tons class intended equipped geared steam turbines drove propeller shaft turbines designed produce total shaft horsepower steam provided oil fired water tube boilers reach maximum speed knots mph primary armament class caliber centimeter guns twin gun turrets fore aft superstructure gun fired kilogram shell muzzle velocity meters second secondary battery consisted single caliber centimeter guns mounted casemates superstructure manually operated guns maximum range meters elevation fired rate rounds minute ships anti aircraft defenses consisted single caliber centimeter 10th year type anti aircraft guns mounted single funnel guns maximum elevation maximum rate fire rounds minute fire kilogram muzzle velocity maximum height meters class fitted centimeter water torpedo tubes broadside ships protected waterline belt armor millimeters thick sloped increase ability resist penetration short range belt armor designed able defeat inch shells distance meters main battery turrets barbettes millimeters armor plating conning tower protected armor millimeters thick decks millimeters thick class battleships torpedo bulkhead millimeters thick connected millimeter splinter deck beneath main deck construction ships ordered october ordered later year allocated projected completion date november allocated completion september unnamed ships assigned nagasaki respectively ships keel laying stopped february terms forbade construction battleships long tons numbers formally canceled november followed april
Kii-class battleship