The largest Japanese aircraft carrier of World War II was the Shinano, an enormous vessel that surpassed all other Japanese carriers in size. Initially designed as an Ise-class battleship, the Shinano was later converted into an aircraft carrier to support Japan’s naval expansion and increase its airpower capacity during the war.
The Shinano was 876 feet (267 meters) long and had a displacement of about 72,000 tons when fully loaded, making it the largest aircraft carrier ever built by Japan. This massive size was intended to carry up to 70 aircraft, a combination of A6M Zero fighters, D3A Val dive bombers, and B5N Kate torpedo bombers. The carrier was equipped with advanced technology for its time, including a heavily armored flight deck designed to protect its vital components from enemy attacks.
However, despite its impressive size and potential, the Shinano saw limited operational use during the war. The carrier was still in the process of fitting out and had not yet seen combat when it was tragically sunk on its maiden voyage in November 1944. After being commissioned, the Shinano was on its way from the Kure Naval Arsenal to join the fleet when it was spotted by the American submarine USS Archerfish. The submarine launched torpedoes at the carrier, hitting it with several, causing devastating damage.
The Shinano sank within hours, resulting in the loss of over 1,400 sailors and personnel. The sinking of the Shinano marked one of the largest naval losses for Japan during the war, and the loss of such a large and valuable ship was a significant blow to Japan’s naval capabilities.
Despite its limited service, the Shinano remains an important symbol of the ambition and strategic direction Japan pursued in its naval warfare during World War II.