The U212A is an ultra-advanced non-nuclear sub developed for the German Navy . It has a top speed of over 30 knots and can dive to depths up to 600 meters in order to conduct underwater reconnaissance missions or even attack enemy submarines. Without the need for combustible fuel , the sub can remain submerged for weeks at time .
The U212A is an ultra-advanced non-nuclear sub developed for the German Navy . Powered by a revolutionary hydrogen fuel cell , it is almost totally silent . Without the need for combustible fuel , the sub can remain submerged for weeks at time .