On may 4, 1945 one of the most advanced submarines in the world crept up to a british royal navy cruiser As world war ii reached its critical later stages, nazi germany desperately sought technological marvels to turn the tide of the conflict It was slicker and stealthier and than any other boat and incorporated both technical and doctrinal advances.
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Due to their powerful electrical engines and hydrodynamical shaped hull, those very advanced submarines were faster submerged than on the surface.
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.
