15 main guns: Mogami class light cruisers made for a total of fifteen 6-in guns, a first for Japan. In addition, these main guns were also of a modernized type, faster-firing and with a new cradle and turret allowing 55° elevation, unheard of at the time. This made the Mogami design the first with a fully dual purpose main battery, coupled with and increasingly heavy anti-aircraft protection and of course quickly reloadable turreted torpedo launchers with the “long lance”. A deadly package that