| Ship | Extra Requirement | 
|
|
|
|
|
|
|
Note |
|---|---|---|---|---|---|---|---|---|---|
US Ships          
|
+1 | +1 | +3 | Non-stackable | |||||
British Ships   
|
+1 | +2 | Non-stackable | ||||||
Australian Ships
|
+1 | +1 | Non-stackable |
| Ship | Extra Requirement |
|
|
|
|
|
|
|
Note |
|---|---|---|---|---|---|---|---|---|---|
| US Ships
|
+1 | +1 | +3 | Non-stackable | |||||
| British Ships
|
+1 | +2 | Non-stackable | ||||||
| Australian Ships
|
+1 | +1 | Non-stackable |