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 ...

The vast expanse of the Indo-Pacific Ocean holds more than just water—it conceals America’s most sophisticated underwater ...

Submarines are among the most advanced and mysterious machines ever built. Designed to operate beneath the surface of the sea ...