As a submarine alpha and beta tester and now with the implimentation into the game as of late, I can conclude that subs are not ready for this game yet, by far. How you got a vehicle to the point that it is overpowered AND pointless at the same time i will never know but you did it !
Overpowered because there is no counter measure in the game for subs, dont kid yourself just the destroyers have depth charges, if you go historically accurate EVERYONE had dephcharges. the sub vs sub is fun however i have to say that.
Pointless because you cant cap or do anything if youre the only ship alive as a sub. youre too slow, if you ping a ship they will know where you are. they will see you, they will kill you. the only thing you can do is hope they dont find you
there is no point in paints, no point in flags, the commander options are in fact so limited i have all 3 captains in the same configuration. in fact, aside from the different consumables, all 3 subs play exactly the same !
My advice, and it seems almost unanimous from the wows community as well, dont put them in yet, if you do, i believe you will lose a LOT of players.