Amid the turbulent waters of the North Atlantic during World War II, the German submarine U-32 lurked unseen, hunting its ...

North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US. State media on Saturday ...

Built in 1943, the Becuna is a Balao-class submarine with a Greater Underwater Propulsive Power 1-A modernization — today, it's the only remaining GUPPY 1-A submarine in the world. After serving ...