China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

The Seawolf-class submarine USS Connecticut (SSN-22) remains in dry dock four years after its October 2021 collision with an ...

"The armed forces' jet fighters and warships met up with the submarine .... and are now following it," Sweden's armed forces ...

Nuclear-powered submarines use some of the most advanced military technology in the world. These are the ones that are a cut ...

Russia denies reports that one of its submarines suffered a malfunction after surfacing off the coast of France.

US President Donald Trump said Friday he was ordering two US Navy nuclear submarines to “appropriate regions,” in response to remarks by Dmitry Medvedev, Russia’s former president and current deputy ...

At least two survivors from a deadly U.S. military strike in the Caribbean Sea are now in custody aboard an American vessel ...

WASHINGTON − President Donald Trump says the nuclear submarines he said he was deploying in response to threatening comments from Russia's former president are "in the region." Trump also signaled ...