The Type 212CD aims to build on the Type 212A’s strengths and give the submarines better range and endurance, offering some blue-water, open-ocean capabilities and addressing one of the ...

On June 4, 1944, the US Navy captured its first German submarine. Now it's displayed at Chicago's Griffin Museum of Science ...

Open Hatches: On May 15, 1969, the USS Guitarro (SSN-665), a Sturgeon-class nuclear-powered attack submarine, sank while under construction at the Mare Island Naval Shipyard in California.

North Korea’s History of Nuclear Expansion. South Korean experts have assessed that the alleged North Korean nuclear submarine is a 6,000-to-7,000-ton submarine—roughly twice the size of North ...

A Trident submarine displaces 18,700 tons while submerged. Normally when we would surface, we would blow 2,000 tons of water out of the ballast tanks so we could sit higher in the water.

Submarines are a nuclear weapon used in the United States Navy, with sailors aboard, loading torpedoes. This job is hard to fathom, with usually 150 sailors in tight quarters for months at a time.