Over eight decades ago, the US Navy made the historic capture of a Nazi U-boat during World War II. A treasure trove of vital German intelligence, the submarine's capture was top-secret.

After World War II, Operation Paperclip quietly recruited German scientists to work on its most advanced weapons and space ...

This imposing concrete structure in the German city of Bremen ... and looks every inch the secret Nazi facility that it is. Its purpose was to build and test U-Boats. A Rare Look at Tucker Cars ...

On February 24, 1945, seven German submarines were hunted down ... and industrial superiority sealed the fate of the U-boat crews. By 1945, Nazi Germany’s submarines were no longer feared ...

Its primary objective in the Atlantic: to spot and report German U-boats, which were wreaking havoc on Allied ships. In May alone, the Nazi submarine fleet sank 115 ships in the western Atlantic.

The German submarines – the "U-boat peril" as Churchill had called them - had been the Allies' principal threat at sea during ...