Summary and Key Points: Sweden’s Gotland-class submarines are among the quietest conventional boats afloat, using Stirling ...

Submarines are quite possibly some of the scariest vessels any navy could operate. No, they're not as large as an aircraft carrier or as armed to the teeth as a destroyer, but their ability to ...

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

Diesel-powered submarines present a challenge that may seem paradoxical at first. Their engines require ...

While short-lived, the Barracuda class served as a critical stepping stone in the evolution of ASW capabilities, demonstrating the importance of advanced sonar systems and stealth in underwater ...

Prototype under Indigenous Defence Submarine programme is seen as central to boosting asymmetric naval capabilities to counter Beijing ...

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 ...

Submarines are hard to find. They exploit ocean depth, acoustic complexity, and thermal layers to maintain low observability and high survivability. Diesel-electric submarines are especially quiet at ...

North Korea’s new submarine to reshape underwater warfare in Northeast Asia - Construction of DPRK’s first nuclear-powered ...