Ha, type A. I had that one for the training mission only. I sank about every polish ship i could find for 100,000 tons, then went back.
Picked a mission, but left without checking the selection of topedoes so i returned while still in port and got the type C upgrade.
YES !!! a Type VII C in '39
more like
then
then
then
and finnaly
but that is the way th whole game has been.