A submarine hull spotted at a Chinese shipyard has set off a debate among defense analysts: if the vessel turns out to be ...

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 ...

Summary and Key Points: China’s People’s Liberation Army Navy (PLAN) has reportedly launched its most advanced diesel-electric submarine, sparking interest and concern among naval analysts. Though ...

JS Raigei, the fourth Taigei-class diesel-electric submarine with the Japan Maritime Self-Defense Force. Credit: The Japan Maritime Self-Defense Force (JMSDF) A Japanese Defense Ministry panel called ...

A massive program of upgrades to Australia's aging fleet of Collins Class submarines, aimed at keeping them in the water a decade longer, is being scaled back.

A man cannot one day just decide to build a submarine, much less the first powered submarine, much less if that man is a writer. Yet that is just what Narcis Monturiol did. As a young firebrand of the ...

One of Japan’s leading shipbuilders is facing yet another round of scrutiny for its submarine construction work after coming under fire for cozying up to submarine crew members.