Wasn't sure where to put this thread, either here or at "Modern" since both cover the cold war period.
Anyhoo, which were the pros and cons between the western allies and eastern allies and their subs, both diesel and nuclear powered?
Were the Warsawa pact always a step behind Nato, or did they once in a while catch up and even at some point take the lead?
What about the surface fleet?


Alfa class submarine.




Akula class submarine.