India's fourth strategic ballistic missile submarine (S4*) has reached a significant milestone with over 80% indigenous content. This development marks an important step towards greater localisation a...

Russia has commissioned Yakutsk, completing its latest batch of modernized Kilo-class diesel-electric submarines (Project 636.3 variant). These subs combine Soviet-era design with advanced capabilitie...

Researchers from the U.S. Navy, Electric Boat, and the University of Connecticut have developed a new inspection method using neutron beams to detect microscopic flaws including internal stress, ducti...

Maritime Operations Group (MOG) and Hyundai Heavy Industries (HHI) have signed a Memorandum of Understanding (MoU) to collaborate on the development, construction, and delivery of modern diesel-electr...

The Japanese Defense Ministry has suspended Kawasaki Heavy Industries (KHI) from bidding on submarine-related defense contracts due to the discovery of falsified fuel efficiency data for submarine eng...

Reports suggest Morocco may be considering Russia's new Amur-1650 diesel-electric submarines as it contemplates its first submarine purchase. Moscow markets the Amur class as an advanced export design...

Spain's S-80 submarine program faced significant challenges due to an initial design flaw that made the first boat 70 tons overweight, necessitating a costly redesign and substantial delays. Despite t...

South Korea's HD Hyundai Heavy Industries (HD HHI) has signed a joint development agreement with the Peruvian Navy for the creation of next-generation submarines, marking its first steps into internat...

On December 19, 2025, TKMS announced and signed a framework agreement with the BAAINBw for supplying DM2A5 heavyweight torpedoes along with associated equipment to be utilized on the 212CD class subma...