Quote Originally Posted by Spino
Full blown realism mode is still in SH III, you can configure trajectories manually or have the game automatically do them for you (subject to any tweaking you'd like to do just prior to firing).
I use SHIII with the real u-boat mod, and setting up the torpedo shots is great. You do it the way they actually did it in WWII, and can even make under the keel shots with magnetic detonators.