The Philippine Navy (PN)'s brand-new offshore patrol vessel, the future Rajah Sulayman (PS-20), and its five sister ships, ...

Taiwan completed the maiden underwater sea trial for its first domestically developed submarine on Thursday, a big milestone ...

The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

Attack submarines are one of the major weapons the U.S. relies on to counter China’s military threat in the Pacific.

At its current production rates, China is likely to have a far more menacing submarine force than Russia in short order—though its quality is still uncertain.

Werner Hartenstein pulled drowning British troops from the Atlantic Ocean in September 1942. The German U-boat commander was flying Red Cross flags and even radioed for help in English. American ...

German U boats transformed naval warfare by attacking merchant shipping on an unprecedented scale. Wolfpack tactics, new submarine designs, and unrestricted warfare pushed Allied supply lines to the ...

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs. The pictures ...

SEOUL, South Korea (AP) — North Korea on Thursday displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a largely completed hull, as leader ...

North Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the test-firing of long-range surface-to-air missiles, state media reported on ...

Ukraine's SBU domestic security service has released new footage it says shows the country's preparations for attacking a Russian submarine in the Black Sea port of Novorossiysk earlier this month.