''A special kind of main battery shell used by battleships that is specifically used as an anti-air weapon.<br>The shrapnel, when ejected from the bullet in large quantities, potentially encases and then annihilates all enemy planes in formation.<br>The questionable accuracy rate of the firing mechanism of the main battery of battleships is the only weakness, but this is traded for the immense AA firepower boost.<br>Can be deployed on battleships, aviation battleships, and heavy cruisers.