Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II.

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. See inside ...

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 ... some of which were installed in the sub's ...

The freshwater river has helped preserve the submarine over the years since it's less corrosive than saltwater. Inside the museum, we were greeted by Mark Becker, a US Navy submarine veteran and ...

The front and middle of the deck were made of ... The first stop on the tour inside the submarine was the forward torpedo room. The forward torpedo room.Talia Lakritz/Business Insider Torpedomen ...