Add Yahoo as a preferred source to see more of our stories on Google. L. David Marquet is a former United States Navy Captain and author who served in the submarine force for nearly three decades.

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 ...

Suddenly, Alabama is in the submarine business. Not just at Austal USA in Mobile, where they’ve been building sections of nuclear subs for a while now, but now in the Shoals area and a new specialized ...

L. David Marquet is a former United States Navy Captain and author who served in the submarine force for nearly three decades. Graduating top of class from the United States Naval Academy in 1981 ...