SO3C Seamew Kai/Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Northampton-classNorthampton
Houston

Atlanta-classAtlanta
St.Louis-classHelena
+1 +1 +1 Non-stackable
(★3-4) +1 +1 +1 +1
(★5-7) +1 +1 +1 +2
(★8-9) +2 +1 +1 +2
Other US ShipsIowa
Colorado
South Dakota
Washington
+1 +1 Non-stackable
(★5-MAX) +1 +1 +1