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 ...

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 ...

Why can a submarine with no reactor, limited speed, and a modest weapons load still create outsized problems for fleets built ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Japan has commissioned a new hunter-killer submarine that can operate in shallow seas to protect borders. Called Raigei or Thunder ...

TAIPEI, Taiwan — A Chinese shipyard has completed a second submarine for the Pakistan navy, further strengthening military ties between the two countries. The diesel-electric Hangor class craft was ...

Diesel-electric submarines like the Taigei class offer Japan a fearsome weapon against China—at a fraction of the cost of ...

In 1981, a Canadian diesel submarine simulated the sinking of the USS Dwight D. Eisenhower. The 89-million-dollar boat breached the security of a 5.5-billion-dollar aircraft carrier during a NATO ...

Historic submarines are surprisingly similar to those deployed by today's Navy and can provide an unprecedented look into ...