“Biber” had been the most notorious “poket size” submarine implemented by the Kriegsmarine, German’s 3rd Reich marine through end of Second World War. The growth about the Biber was in fact extremely fast. The design were only available in February 1944 and first examples had been set to ocean just half per year later on. With only 9 meters length, it absolutely was effective at a 240 kilometres range. Capable reach a merged maximum rate of 6,5 knots and 5,3 knots submerged. The Biber happens to be made with two 530mm torpedoes mounted externally or with two mines. The group contained only 1 user. The deployment connected with Biber, in the Kriegsmarine strategy, have been easy: provide an efficient defence concerning the expense coast as protection to a potential, in addition likely, Allied intrusion. Anyhow, the Biber ended up being never a crucial threat the Allied. Both considering it's technical and design defects and the team trained, for war needs, extremely fast and without necessary development. Nether the less, from 1944 till the finish related to 2nd World War, the Kriegsmarine took circulation and positioned in operation more then 300 Bibers.