Nagato Class Battleship it is a class 1 battleship built by the Imperial Japanese Navy.The ship was equipped with 8 406 mm main guns, 18 140 mm sub-guns and 8 127 mm anti-aircraft guns. The speed of the ship was 26.5 knots. It was a battleship with strong firepower, fast speed and high operational efficiency.The Long Gate Battleship constructed two ships. The First Ship, the Long Gate Battleship, started construction at the Wu Navy Factory in Hiroshima County on August 28, 1917. It was launched on November 9, 1919 and completed on November 25, 1920. The bombing of USS 2, due to unknown reasons, sank in 1943. The long gate ship survived the war and was captured by US forces after the war. After the nuclear test in the United States, the target ship as a nuclear effect sank after the experiment.