I used to serve in french navy onboard snle L'Indomptable.
I was bored by technology, so i decidedto give a try to ww2 submarine ...
Indomptable:
115 men aboard, lenght 127,8 meter, 11700kW, 4 tubes accepting f15 f17 eels and sm-39 exocet, 16 missiles m4.