If diesel engines need air for combustion, then how can submarines use them? Here's what you need to know about the clever engineering behind diesel subs.

AIP systems enable diesel-electric submarines to remain submerged and operational for weeks without surfacing or using a ...

Saab’s A26 submarine has not yet left the drawing board—but Poland has already expressed interest in the sub as a replacement for its aging Kilo class. Therefore, the A26 is being looked at as the ...

China has rapidly built up its submarine fleet by making a technological U-turn to produce boats the U.S. hasn’t built in more than 65 years. More than half of the estimated 66 submarines operated by ...

The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

African countries may not rival global naval powers, but the continent maintains a strategic presence underwater, through ...

They’re the caretakers of one of only five remaining diesel boats in the U.S. fleet, a boat that in many ways was the link ...