German U-boats: Menace
The Effectiveness of German U-boats in World War II

Discover the impact of German U-boats in WW2 and their tactics in the Battle of the Atlantic.

U-48's Impact
Which Submarine Sank the Most Ships in World War II?

Discover the German U-boat U-48, the submarine that sank the most Allied ships in WWII, with 52 ships totaling over 300,000 tons.