Diesel engines cannot work without oxygen, so how do diesel submarines operate when they're underwater? Their propulsion ...

Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

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 ...

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 ...

The Japan Maritime Self-Defense Force (JMSDF) has commissioned the fifth of its Taigei-class diesel-electric attack ...

South Korea launched the first of three new 3,600-ton submarines this week, marking another step in its efforts to strengthen its undersea fleet and counter threats from north of the border. The ROKS ...

TOKYO - Japan's Defense Ministry said Friday it will ban Kawasaki Heavy Industries Ltd. from bidding on contracts for 2.5 months as the company reported it had falsified fuel efficiency performance ...