MAM1 provides +50% main battery and torpedo tube survivability and -20% repair times for both.
AAM1 provides +100% AA mount survivability.
The Minotaur’s main battery, 152 mm, is also its largest caliber AA defense.
It’s generally advised to take MAM1 for the Minotaur. However, would AAM1 provide you +100% main battery survivability over MAM1 +50% main battery survivability?
