This is the improved version of the successful Type 89 12.7cm twin high-angle gun, mounted (among others) aboard the Japanese Navy’s last mass-produced destroyer line: The Type D Destroyers. <br> | This is the improved version of the successful Type 89 12.7cm twin high-angle gun, mounted (among others) aboard the Japanese Navy’s last mass-produced destroyer line: The Type D Destroyers. <br> |