The Type ? U-boat, developed in key during 1933?1944, were a fresh generation of German attack submarines. They could a bit more effective striking force versus Type ?.They had five torpedo pipes, four towards bow and something astern which will carry eleven torpedoes onboard or 22 TMA (23 TMB) mines. Additionally had 88mm fast-firing deck tool and 20mm AA tool. In the beginning of this war, the 88mm deck tool was in truth invaluable in sinking merchant vessels, allowing the greater high priced torpedoes become conserved for larger and a lot more valuable goals. These Type ? U-boats was the spark plug concerning the �Wolf Pack�. Their manufacturing have reached big people. At precisely the same time, German Navy suffered the most truly effective losings concerning the force, losing 784 U-boat, that 519 have now been Type ? U-boat.?