Operation Deadlight: How the Allies Destroyed Germany’s U-Boat Fleet After WWII

Operation Deadlight: How the Allies Destroyed Germany’s U-Boat Fleet After WWII Operation Deadlight was the secret postwar mission to erase Nazi Germany’s feared U-boat fleet from history. In late 1945, surrendered German submarines were towed from ports in Northern Ireland and Scotland into the stormy North Atlantic, where Allied warships systematically sank them with gunfire, torpedoes, depth charges, and aerial attacks. This video explores the planning, brutal weather, naval firepower, and final destruction of Hitler’s submarine arm—revealing how the Battle of the Atlantic truly ended beneath the waves.