The S80 class submarines are the only 3,000-ton vessels in the world equipped with the AIP system, according to Navantia.

The United States is the preeminent naval power on Earth due to its constant innovation, fleet size, and global reach. The ...

For comparison, Los Angeles-class fast attack submarines , which are some of the oldest military submarines ... in most normal applications, and sub construction is even harder.

Though a specialized vessel in itself, it may make you wonder just how deep military submarines can penetrate in comparison. The U.S. Navy reports that it boasts four submarines equipped with ...

A military official said authorities have spotted the North's construction of a submarine bigger than existing vessels in the ...

India has taken steps to counter China’s military strength extension by ... Committee on Security recently approved a new submarine construction plan during a high-level meeting.

In a construction mishap reminiscent ... a hugely embarrassing incident for the ambitious Chinese military, it is not unheard of for submarines to sink while at port. Indeed, the U.S. Navy ...

The military reportedly judged that the submarine under construction by North Korea could be a "nuclear-powered submarine" mentioned by North Korean leader Kim Jong-un in September last year.

The $368 billion AUKUS pact is promising to return submarine construction to Australia. But residents have just learned the ...

A Norwegian fishing boat has caught its largest ever haul – a US navy nuclear-powered submarine weighing in at 7,800 tons.