Unlike the previous light cruiser classes, their main armament was the 152 mm (6 inch) gun that was used by the Kongō-class battlecruisers, and some of these weapons having been removed from the Fusō and Kongō classes during their modernizations in the early and late 1930s, respectively. | Unlike the previous light cruiser classes, their main armament was the 152 mm (6 inch) gun that was used by the Kongō-class battlecruisers, and some of these weapons having been removed from the Fusō and Kongō classes during their modernizations in the early and late 1930s, respectively. |