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. The type xxi were revolutionary submarines, concentrating many innovations to revert the battle of the atlantic, but they arrived too late. On may 4, 1945 one of the most advanced submarines in the world crept up to a british royal navy cruiser The type xxi's technological superiority, though, inspires looks to the past even more than to the future 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. The type xxi submarine became a nazi wonder weapon developed in the latter stages of world war 2, one of only a few infamous wunderwaffes actually built.
The submarine became the first to operate faster under water than on it and opened the doors to a new chapter in submarine warfare and design. The war ended before the germans could deploy their own next wave of technology embodied by the type xxi electric boat, with much larger batt.
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