The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...

North Korea has unveiled for the first time a nuclear-powered submarine under construction.

Modern subs became practical for military work in the late 19th century when engineers figured out how diesel submarine engines could work underwater. Using a diesel engine to charge a large bank ...

Submarines began navigating the depths before the 1900s, and they've advanced considerably in all that time. Modern military subs are stealthy, nearly silent killers roaming below the waves, and ...

Introduction An Underwater Communication System is a specialized network designed to transmit data, voice, or control signals beneath the water ...

North Korea has conducted a slew of underwater-launched ballistic missile tests since 2016, but all launches were made from the same 2,000-ton-class submarine which has a single launch tube.

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 ...

USS Oregon (SSN 793) now calls Norfolk home. The Virginia-class fast-attack submarine arrived at Naval Station Norfolk Friday ...