A GIANT Chinese submarine has been spotted in new satellite pictures - sparking concern over its secretive purpose. The suspected drone sub, which could be the largest in the world, has been ...

The design of the new submarine has not previously been reported. It appears to have no sail and large X-form rudders giving it a modern appearance. Compared to other Chinese subs like the Type ...

At the top of the naval tree sit the countries able to design, build, and operate nuclear-powered attack submarines (SSN), capabilities so advanced as to render virtually all other forms of naval ...

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 ...