I use a type 9, so I have 2 aft torpedo tubes. So I have on homing one in one tube, and use the other. How ever, just in case you didn't know, which I asume you do, but going to mention it anyway, you can do your torpedo load out setup at port before you go to sea at the store. Silent Hunter 3 sinking ships with homing torpedoes. The initial impact of the acoustic torpedo in the Battle of the Atlantic prior to the widespread deployment of counter-measures cannot be.