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

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, ...

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ...

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

An Oniks anti-ship cruise missile was launched from the multi-role nuclear-powered submarine Kazan in the Barents Sea, striking a sea target 300 km away.

Defence analysts told MPs that the proposed Atlantic Bastion surveillance network will only be effective if the Royal Navy has enough ships to pursue detected submarines.

Russian sabotage targeting RAF Lossiemouth could disable NATO maritime patrol aircraft and give submarines greater freedom of ...

Ukraine's Navy has reported the destruction of a Russian Ka-27 shipborne anti-submarine helicopter over the Black Sea.

THIS is the moment British commandos emerged from a German U-boat in the icy waters of the arctic to train for covert raids on Russia. Elite Royal Marines rehearsed clandestine missions some 200 ...

After an Iranian warship was sunk with a torpedo fired by a US submarine just outside Sri Lanka's territorial waters on March ...

The United States Army Command has confirmed the destruction of the IRIS Taregh, and an OSINT search has revealed additional losses to Iran's fleet. What is the condition of the IRGC submarines and ...

As undersea competition sharpened, the Navy created an aggressor unit inside the Undersea Warfighting Development Center to mirror competitor doctrine and expose crews to realistic high-end threats.