At first glance, it seems obvious that submarines should look like the creatures that mastered underwater movement millions of years ago. Fish evolved streamlined, pointed bodies to cut through water ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

Modern nuclear forces increasingly rely on platforms built for a single, unforgiving task. Just as analysts note that Russia’s Su-35S fighter was built for just one mission, nuclear-armed states field ...

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 ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

In a sense, Sweden’s A26 submarine is a microcosm of Europe’s defense woes: it can build amazing platforms, but cannot build enough of them on time. Saab has achieved what it calls the world’s ...

China’s next-gen Type 096 submarines and longer-range SLBMs could threaten more of the U.S. from bastions near home.