On may 4, 1945 one of the most advanced submarines in the world crept up to a british royal navy cruiser These submarines were the first submarines designed to operate primarily submerged, rather than spending most of their time on the surface and only submerging for brief. It was slicker and stealthier and than any other boat and incorporated both technical and doctrinal advances And it is widely considered the first 'true submarine. Electric boats), were the first submarines designed to operate primarily submerged, rather than as surface ships that could submerge as a means to escape detection or launch an attack The key improvement in the type xxi was greatly increased battery capacity, roughly triple the type viic
This gave these boats great underwater range. One of the most technologically advanced submarines in the world attacked a british royal navy cruiser on may 4, 1945 Although highly advanced, the sub was one of the biggest failures of nazi germany It was over 250 feet long. The german type xxi submarine, often referred to as the elektroboot or electric boat, represents one of the most advanced naval innovations of the war.
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