GERMAN MIDGET SUBMARINE SCHWERTWAL - I
In 1943, Oblt Spachmann came up with the idea of fighting enemy submarines using midget U-boats. Further developed by Dr. herald Schade, who was employed at the walter plant, the design called for a very fast, two-man Ubootjager (submarine hunting U-boat) with the Walter propulsion and an armament consisting of a pair K-Butt torpedoes(...)