The U.S. Navy has some of the most advanced nuclear submarines in the world. Its newest addition is named after an important ...

In July 2025, Russian President Vladimir Putin proudly added a new nuclear submarine, the Knyaz Pozharsky, to the country’s ...

The Ohio-class SSBN is the archetypal one-mission submarine, created solely to carry and launch Trident ballistic missiles as ...

Submarines are a vital part of the United States Navy, but there is one in particular that stayed at sea for 727 days. Here's ...

SEOUL, South Korea — An arms race for nuclear-powered submarines is accelerating between North and South Korea amid shifts in the United States' security strategy in the region. North Korea's state ...

If Tokyo acquires nuclear-powered subs, it would be a significant strategic shift for the only nation to have suffered atomic bombings. In this May 31, 2025 file photo, Japan’s then-Defense Minister ...

A vessel described by North Korea as its first nuclear-powered submarine is nearing completion while South Korea has plans to build its first nuclear sub at a Philadelphia shipyard. In this undated ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...