This is the second halves of it.

3. Light cruisers:

+HMS Tiger and HMS Blake.
•Look:

•Design:

•Weapon:

4.Heavy cruisers:

+USS Des Moines and USS Salem.
•Look:

•Design:

•Weapon:

5.Battlecruisers.

+IJN B-64 and IJN B-65. (although they have different designs but still in a same class)
•Look:

•Design:
+B-64:

+B-65:

•Weapon:

+B-64:

+B-65:

6: Submarines:
+KMS Wilhelm Bauer.
•Look: (the gun can fired torpedoes)

•Design:

•Weapon:

+KMS Projekt 50.
•Look:

•Design:

•Weapon: (the same with Bauer)