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 ...

Even as Australia eyes the heady prospect of operating nuclear-powered attack submarines in the future, it is facing the ...

Project 677 diesel-electric submarines are designed to destroy enemy surface ships and vessels, conduct patrols, conduct reconnaissance, protect sea lanes, lay minefields, and perform other missions ...

JS Sogei, the sixth Taigei-class submarine, entered the water in a ceremony held at KHI’s shipyard in Kobe City, Japan, Oct. 14, 2025. The Taigei class are Japan’s newest diesel-electric submarines.