For most of World War 2, Germany had enjoyed having the largest and most advanced fleet of submarines at its disposal. The ...

The German U-boat U-853 sank the last U.S. merchant ship sunk in WWII. Historian Tim Gray speculates that German U-boats may have entered Narragansett Bay before the U.S. officially entered WWII.

This imposing concrete structure in the German city of Bremen is 1400 feet long, 300 feet wide and 90 feet high, and looks every inch the secret Nazi facility that it is. Its purpose was to build and ...

D scan reveals hidden details of a WWII Nazi submarine wreck in the Baltic Sea, offering rare insights into its structure.

Binoculars, plates emblazoned with swastikas among finds. Nov. 23, 2013— -- Researchers have apparently discovered the remains of a World War II-era German U-boat and the skeletons of its crew ...

One of the deadliest military machines of World War II was the infamous German U-boat. While most people know a little about U-boats and are more than aware that they're submarines, one thing that's ...

Alexander Rose’s "Phantom Fleet: The Hunt for Nazi Submarine U-505 and World War II’s Most Daring Heist" is a thrilling, deeply researched account of one of the most audacious naval operations of ...

While the Type XXI subs sank no ships, their potential terrified Allied navies, prompting intensified anti-submarine efforts.

This undated photo, provided by the National WW II Museum in New Orleans, shows Oberleutnant zur See Hans-Gunther Kuhlmann, center, saluting commander of the German U-boat U-166 on his boat. The U-166 ...