Does [[Damage Calculations#Anti-Installation Attacks|increased damage]] against "installation type" bosses. <!--All of these bosses were based on real-life airfields, which the type 3 shell was designed to destroy. With type 3 equipped, firepower * 2.5 is used for pre-cap damage calculations during night battle instead of firepower + torpedo.--><noinclude>
+
Does increased damage against [[Anti-Installation#Bonuses|Installations]]. <!--All of these bosses were based on real-life airfields, which the type 3 shell was designed to destroy. With type 3 equipped, firepower * 2.5 is used for pre-cap damage calculations during night battle instead of firepower + torpedo.--><noinclude>