: You can upgrade sensors like the Metox radar warning receiver to avoid aircraft or improved hydrophones for better tracking.
: 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 silent hunter 3 all submarines
Introduced late in the game (1944), the Type XXI represents a revolutionary leap in submarine technology. : You can upgrade sensors like the Metox
Which follow-up would you prefer?