What do you say- Play Dangerous Waters for real ?
The only thing missing to do so is a Russian sub.
Maybe there's an old Sub from the 70's for sale.
https://www.vebeg.de/web/de/verkauf/...390&SHOW_LOS=1
I predict a certain failure-One thing is mastering it in a Game another thing is mastering those equipment for real.
(Well a little training should do it)
Markus