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 ...

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

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