The Type ? U-boat ended up being a growth of the Type?U-boat. It was a fantastic ocean-gonging submarine, capable of operating in great remote waters and more spacious and comfortable compared to the Type ?. Its larger size, however, implied that its diving speed was instead slow than the Type ?. with no outside seat tanks associated with Type ?, the kind ? had been a much sleeker looking ship and had greater fore and aft deck area. She had six torpedo pipes, four in the bow and two astern. Up to 23 torpedoes had been kept. Additional armament ended up being supplied by one 105 mm deck gun with about 110 rounds. AA armament differed throughout the war.?