_info_en = "This is a large-caliber main gun for a new type of battleship that is being developed as the main weapon for the \"Kai Yamato-class\" and the expanded \"Super Yamato-class\".<br>The 51 cm guns achieved firepower that overwhelmed the firepower of other battleship main guns.<br>As the gun surpasses even the weight and size of the 46 cm guns, only a limited number of battleships can carry this gun.",