''A new type of dual-purpose gun developed for a new class of light cruisers.<br>It was a new design of light cruiser guns that emphasized combat with other cruisers but also possessed limited anti-air capabilities.<br>It was equipped on the Agano-class light cruisers. | ''A new type of dual-purpose gun developed for a new class of light cruisers.<br>It was a new design of light cruiser guns that emphasized combat with other cruisers but also possessed limited anti-air capabilities.<br>It was equipped on the Agano-class light cruisers. |