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 ...

allowing the ships to spend longer in action. They could also submerge to a greater depth, giving them a better chance of avoiding detection and destruction. As Allied air power increased U-boats ...

Electric submersible specialist U-Boat Worx has unveiled bonafide images of its flagship electric “Super Sub.” The revamped model, designed to provide customers luxury, speed, and depth at sea ...