A new powerful submarine is soon to be built in Italy. The keel-laying ceremony ...

The U.S. Navy's long-held dominance in the submarine realm is rapidly being challenged by China's expanding fleet. While the ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

South Korea launched the first of three new 3,600-ton submarines this week, marking another step in its efforts to strengthen its undersea fleet and counter threats from north of the border. The ROKS ...

China’s submarine fleet is smaller and weaker than America’s—but it could likely give the US Navy a run for its money in the ...

A triad of SSGs, SSKs, and SSNs would comprise a forbidding implement of access denial for the US Navy in the Indo-Pacific. Still, it’s worth restating the case for diesels from time to time. Ambient ...

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 ...

Could the conventionally-powered KSS-III sub offer a more affordable and timely alternative to the planned nuclear-powered ...