A treasure trove of vital German intelligence, the submarine's capture was top-secret. See inside the U-boat, now a permanent exhibit at Chicago's Griffin Museum of Science and Industry. Submarine ...

Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted merchant ships and troop carriers from the US and other Allied nations. The underwater predators ...

UC-97 became probably the only German submarine sunk within the continental United States. One of five U-boats turned over ... Michigan a few miles east of Chicago. Post-war, the U.S. Navy began ...