Akademik
U-552 - U-572
U-552
U-553
U-554
U-555
U-556
U-557
U-558
U-559
U-56
U-560
U-561
U-562
U-563
U-564
U-565
U-566
U-567
U-568
U-569
U-57
U-570
U-571
U-572