Hanwha Group claims that its Philadelphia plant could support construction of advanced submarines, such as the Virginia-class, if the U.S. government approves and formalizes the plan.

THE Royal Navy is testing a fleet of drones to patrol seas for Russian submarines. And they could also be used to form a “picket line” between the UK and Greenland. The size of a

Japan Considers Nuclear-Powered Submarines Amid Regional Tensions As South Korea and U.S. advance discussions, Japans review sparks arms race concerns

UK MoD officials have warned that mismanagement has left the nation unable to maintain its nuclear submarine programme

German U boats transformed naval warfare by attacking merchant shipping on an unprecedented scale. Wolfpack tactics, new submarine designs, and unrestricted warfare pushed Allied supply lines to the brink of collapse.

The Kazan submarine is one of a new class that has long concerned NATO militaries, and its visit to Cuba was an opportunity for the US.

The Navy is racing to field a new generation of ballistic missile submarines that will eventually rank as the 12 largest boats it has ever operated, aiming to close a looming nuclear deterrent gap as the Ohio-class retires.

Dec. 22 (Asia Today) -- China has voiced strong opposition to potential cooperation between South Korea and the United States on nuclear-powered submarines, warning it could undermine the global nuclear nonproliferation regime, Chinese state media reported.