Submarines

Latest in Submarines

A submarine attack by the USS Thresher (commanded by Commander W.J. Millican) has broken the back of this Japanese ship, hitting amidships. It is about to sink.
Diesel-Electric Submarines

The Last Time A U.S. Navy Submarine Sunk An Enemy Ship In Combat

By Thomas Newdick

Posted on Mar 4, 2026

U.S. Navy Submarine Torpedoes Iranian Frigate In Indian Ocean
Submarines

U.S. Navy Submarine Torpedoes Iranian Frigate In Indian Ocean

By Howard Altman, Joseph Trevithick

Updated on Mar 4, 2026

Lockheed Martin has rolled out a new highly modular uncrewed undersea vehicle called Lamprey than can be configured to launch waves of aerial kamikaze drones.
Submarines

Undersea Drone That Attaches Itself To Other Vessels Unveiled By Lockheed

By Joseph Trevithick

Posted on Feb 9, 2026

Satellite imagery is now available showing the aftermath of a Ukrainian attack yesterday on a Russian Navy Improved Kilo class diesel-electric submarine in the Black Sea naval stronghold of Novorossiysk.
Diesel-Electric Submarines

Aftermath Of Ukraine’s Underwater Drone Attack On Russian Submarine Seen In Satellite Imagery

By Thomas Newdick, Joseph Trevithick

Posted on Dec 16, 2025

French authorities reportedly took defensive measures against five drones flying over an extremely sensitive base that is home to the nuclear submarines that make up the nation's second-strike deterrent force.
Submarines

Nuclear Submarine Base Drone Incursion Prompts French Military Response

By Howard Altman

Posted on Dec 5, 2025

We have gotten our best look so far at China’ mysterious, trimaran-hulled vessel, the purpose of which remains unknown.
Submarines

China’s Mysterious Submarine-Ship Hybrid Breaks Cover

By Thomas Newdick

Posted on Dec 3, 2025

Poland’s next submarines will be provided by Sweden, in the shape of the advanced A26 class. Under the Orka acquisition program, Warsaw will buy three of the boats, which use an air-independent propulsion system, to replace the Polish Navy’s single Soviet-era Kilo class submarine.
Diesel-Electric Submarines

Sweden’s A26 Diesel-Electric Submarine Scores Big Win With Polish Order

By Thomas Newdick

Updated on Nov 26, 2025

Russia has launched the first of its new Project 08951 class of nuclear-powered submarine, named Khabarovsk, which is intended to be armed with the Poseidon nuclear-powered, nuclear-tipped, ultra-long-endurance torpedo. At this stage, details of the new submarine remain scarce, but its completion, though long delayed, reflects the continued priority Moscow is assigning to strategic weapons systems, including novel ones without direct comparison.
Nuclear Guided Missile Submarines (SSGNs)

Russia’s New Nuclear Torpedo-Carrying Submarine Has Been Launched

By Thomas Newdick

Updated on Nov 3, 2025

President Donald Trump has come out in support of a future fleet of South Korean nuclear-powered submarines.
Nuclear Attack Submarines (SSNs)

South Korea’s Nuclear Submarine Ambitions Take Major Step Forward

By Joseph Trevithick

Posted on Oct 31, 2025

President Vladimir Putin says that Russia successfully tested one of its Poseidon nuclear-powered, nuclear-tipped, ultra-long-endurance torpedoes yesterday. The Russian leader’s revelation comes just two days after the announcement of a first long-range test for the Burevestnik nuclear-powered cruise missile, and is part of a wider pattern of recent nuclear signaling by the Kremlin.
Submarines

Powered Test Of Poseidon Nuclear Torpedo, Putin Claims

By Thomas Newdick

Posted on Oct 29, 2025

South Korea has launched its biggest and most ambitious submarine yet, the Jang Yeong-sil, as the first of the second batch of its locally designed and built KSS-III program.
Diesel-Electric Submarines

South Korea Has Launched Its Most Advanced Submarine Ever

By Thomas Newdick

Posted on Oct 23, 2025

Germany is offering Canada to join its Type 212CD submarine program, alongside Norway, as part of a broader defense cooperation that would more closely align Berlin and Ottawa. Canada badly needs a replacement for its aging and troublesome Victoria class diesel-electric submarines, and, in turn, Germany is looking to procure potentially significant numbers of special-mission aircraft from Canada’s Bombardier.
Diesel-Electric Submarines

Submarine Partnership Pitched By Germany And Norway To Canada

By Thomas Newdick

Posted on Oct 22, 2025

Japan Maritime Self-Defense Force Oyashio-class submarine JS Mocishio transits with ships assigned to Rim of the Pacific 2010 combined task force as part of a photo exercise noerth of Hawaii. RIMPAC, the world’s largest multinational maritime exercise is a biennial event which allows participating nations to work together to build trust and enhance partnerships needed to improve maritime security.
Diesel-Electric Submarines

Japan Will Arm Its Submarines With Long-Range Cruise Missiles

By Thomas Newdick

Posted on Oct 9, 2025

The epicenter of a huge 8.8-magnitude earthquake that occurred early this morning off the coast of Russia's far eastern Kamchatka Peninsula, triggering tsunami waves across the Pacific, was only around 75 miles away from a cluster of key Russian naval bases.
Oscar Class

Questions Swirl Around Status Of Russian Nuclear Submarine Base After Historic Earthquake

By Joseph Trevithick

Posted on Jul 30, 2025

Image of HMS TIRELESS at sea. HMS Tireless is over 25 years old but still playing a vital role in the front-line Fleet. HMS Tireless is the third of the seven Trafalgar-class submarines built at Barrow by Vickers. She was launched on 17 March 1984, so she has been plying her trade in the Royal Navy for more than a quarter of a century, but a lengthy overhaul of her propulsion, weapons systems and sensors put her in good shape for the gruelling programme of training and trials which followed.
Nuclear Attack Submarines (SSNs)

Royal Navy’s Last Nuclear Attack Submarine Of The Cold War-Era Heads Into Retirement

By Thomas Newdick

Posted on Jul 21, 2025

The USS Connecticut, one of the U.S. Navy's prized Seawolf class nuclear attack submarines, is set to finally return to service late next year.
Seawolf Class

Submarine USS Connecticut Severely Damaged In Pacific Crash To Return To Service In 2026

By Joseph Trevithick

Posted on Jul 15, 2025