Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

Japan's Soryu-class diesel-electric attack submarine achieves something once considered impossible for non-nuclear boats: weeks of submerged operation without surfacing. The Kockums Stirling AIP ...

The U.S. Navy has known since 2005 that a quiet diesel submarine can slip past a carrier's defenses and score a kill, because ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. China has recently launched what could be its most advanced ...

Canada has chosen to enter negotiations with a German defense builder to supply its next submarine fleet. Here are the ...

The decision came before Prime Minister Mark Carney headed to this week's NATO summit, where allies face pressure to back ...

A triad of SSGs, SSKs, and SSNs would comprise a forbidding implement of access denial for the US Navy in the Indo-Pacific. Summary and Key Points: The U.S. Navy’s reliance on expensive, complex ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

Add Yahoo as a preferred source to see more of our stories on Google. The US Navy's intel chief said China is shifting toward building all nuclear-powered submarines. Supported by its vast ...