Please visit the
Sub Skipper's Bag of Tricks thread for some really cool 3/5 printable cards for the Dick O'Kane Method, the John P Cromwell Method and the Vector Analysis Method. Yes, I can assure you that it is just as frustrating to go from the American to the German Boat. I had to deficate on the poop deck until I could find out what the @#$#% they call the bathroom.
Interestingly, Nisgeis tells me that in the real American boat you could directly hook up the periscope bearing to the TDC, but that we can't do that in the game. That's frustrating!