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Diesel-Electric Submarines

Latest in Diesel-Electric 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

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

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

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

Giant Uncrewed Submarine Put Forward By Chinese Shipbuilder, Possibly Linked To Existing Design
Diesel-Electric Submarines

Giant Uncrewed Submarine Put Forward By Chinese Shipbuilder, Possibly Linked To Existing Design

By Joseph Trevithick

Posted on Nov 14, 2024

A TV screen shows an image of North Korean leader Kim Jong Un at a ceremony on September 6 to celebrate the launch of a newly built "tactical nuclear attack submarine" during a news program at the Yongsanl Railway Station. North Korea has launched a newly built "tactical nuclear attack submarine" capable of carrying out an underwater nuclear attack, with leader Kim Jong Un vowing to "further strengthen the state nuclear deterrence," the North's state media said on September 8. (
Diesel-Electric Submarines

Signs Point To North Korea Building A Nuclear-Powered Submarine: South Korean Intel

By Thomas Newdick

Posted on Oct 9, 2024

Australia To Help Maintain Visiting U.S. Nuclear Submarine For The First Time
Diesel-Electric Submarines

Australia To Help Maintain Visiting U.S. Nuclear Submarine For The First Time

By Joseph Trevithick

Posted on Aug 22, 2024

A new type of submarine has appeared in China, featuring X-form rudders for the first time on a crewed Chinese design. Whether the recently spotted submarine is a further iteration of an existing class, or if it’s an entirely new design, it reflects the rapid pace of development in China’s submarine program, which features increasingly advanced and innovative nuclear- and conventionally powered types.
Diesel-Electric Submarines

China’s Latest Submarine Features X-Shaped Stern

By Thomas Newdick

Posted on Jul 29, 2024

A conventionally powered Portuguese attack submarine has completed a rare voyage under the Arctic ice. As well as being a first-of-its-kind mission for the Portuguese Navy, the deployment underlines the importance of the Arctic theater to NATO’s submarine fleet, although it’s nuclear-powered boats that traditionally dominate in this challenging area of operations.
Diesel-Electric Submarines

Portuguese Diesel-Electric AIP Submarine Just Patrolled Under The Arctic Ice

By Thomas Newdick

Posted on Jun 26, 2024

Collins class submarines will not get Tomahawk land attack cruise missile capabilities.
Diesel-Electric Submarines

Australia Won’t Arm Collins Class Submarines With Tomahawks

By Howard Altman

Posted on Jun 5, 2024

A decoy that looks intended to help defend against drone attack and cruise missile strikes has appeared on a pier at a Russian Navy base in the Black Sea.
Kilo Class

Submarine Decoy Appears On Russian Naval Base Pier

By Joseph Trevithick

Posted on Mar 20, 2024

The Netherlands will buy four new conventionally powered submarines from France, to replace its Cold War-era Walrus class and to contribute to a new-look defense posture in which long-range conventional strike capabilities are given new importance.
Diesel-Electric Submarines

Dutch Choose French Design For New Tomahawk-Armed Submarines

By Thomas Newdick

Posted on Mar 15, 2024

Our Best Look At Taiwan’s First Homegrown Submarine
Diesel-Electric Submarines

Our Best Look At Taiwan’s First Homegrown Submarine

By Thomas Newdick

Posted on Feb 27, 2024

Spanish submarine Isaac Peral conducts inert torpedo tests at Cartagena Naval Base
Diesel-Electric Submarines

Submarine Torpedo Test Firing Seen From Rare Bird’s-Eye View

By Oliver Parken

Posted on Feb 8, 2024