Stick with Type IIA or IID. Learn manual targeting. Do not get attached to your crew.
: It includes a hydraulic torpedo reloading system, allowing for rapid-fire spreads, and high-capacity batteries. Comparison Summary Primary Strength Main Weakness Type II High stealth & small profile Low range & low payload Type VII Fast diving & versatility Average range Type IX Long-Range Massive torpedo capacity Slow diving & large target Type XXI High underwater speed Only available late-war
Small "bathtub" design; limited torpedo capacity (5 total); very short range. VIIB, VIIC, VIIC/41 Workhorse Attack Boat
: It is significantly faster underwater than on the surface, features a hydraulic torpedo loader for rapid fire, and is the most advanced boat available in the game. Key Performance Differences Feature Primary Role Coastal Defense General Attack Long Range Stealth/Speed Torpedo Load Dive Speed Endurance Extreme (Submerged)