WW1 Submarines: From U-9 to the Frontkrieg Unit Guide
The U-boat campaign of 1914-1918 - U-9, Lusitania, convoys - plus a full guide to the submarine unit in Frontkrieg: cost, counters and battleship-hunting tactics.
Read →The U-boat campaign of 1914-1918 - U-9, Lusitania, convoys - plus a full guide to the submarine unit in Frontkrieg: cost, counters and battleship-hunting tactics.
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