The Type ? U-boat, developed in key during 1933?1944, was at reality a brand new generation of German attack submarines. They would a effective striking force versus Type ?.They had five torpedo pipes, four inside bow plus one astern and may carry eleven torpedoes onboard or 22 TMA (23 TMB) mines. Also had 88mm fast-firing deck unit and 20mm AA tool. In the beginning regarding the war, the 88mm deck gun ended up being beneficial in sinking merchant vessels, allowing the higher costly torpedoes be conserved for larger and much more valuable objectives. These Type ? U-boats had been certainly the spark plug towards �Wolf Pack�. Their manufacturing was at big users. At exactly the same time, German Navy suffered the utmost effective losings using this force, losing 784 U-boat, which 519 was in fact Type ? U-boat.?