NATO has expanded its footprint in the North Atlantic, partially in response to an increased Russian submarine presence.

Submarines have quietly become some of the most powerful weapons in modern naval warfare.

Russia’s Marshal Shaposhnikov Udaloy-class destroyer stopped in Vietnam on its way back to Vladivostok, the home base of ...

Last year, a Russian “shadow fleet” vessel transported two submarine nuclear reactors to an uncertain destination in the Far East—but it never arrived. Rumors abound about the true extent and nature ...

During the Cold War, the Royal Navy operated the quiet and highly capable Oberon-class diesel submarine. Designed as an improved version of earlier British boats, the Oberon was built for stealth, ...