What Was the Fastest Submarine in WW2? German Type XXI U-Boat Explained
Discover the fastest submarine in WW2: the German Type XXI U-boat with a submerged speed of 17.2 knots and its impact on naval warfare.
Discover the fastest submarine in WW2: the German Type XXI U-boat with a submerged speed of 17.2 knots and its impact on naval warfare.