The ship's nine 16.5-inch guns remain the capital-ship battery. Its unusually numerous six-inch guns have a separate job against cruisers and destroyers supporting the enemy battle line. This lets the battleship challenge the screen meant to offset British battleship superiority in the scenario. Secondary armament therefore serves the fleet's tactical plan as well as the individual ship.
Notable Point · 52:40-53:54
A super-battleship's secondary battery is built to break the enemy screen
Numerous six-inch guns let a heavily armed battleship engage cruisers and destroyers while its main battery fights capital ships.