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 ...

From nuclear-armed giants to stealthy hunters, a handful of Russian submarines are built specifically to carry some of the ...

President Donald Trump said on Monday that the US has a nuclear submarine right off Russia's coast. His comments came after Russia disclosed the test of its long-range nuclear-powered cruise missile.

This article originally published at Newest Connecticut waterfront add: submarine cradle two football fields long.

The Columbia-class submarine outstrips its predecessor, the Ohio class, in many ways—but falls short in one conspicuous one.

SEOUL, Dec 25 (Reuters) - North Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the test-firing of long-range surface-to-air missiles, ...

North Korea on Thursday displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a largely completed hull, as leader Kim Jong Un condemned rival ...

North Korea tests long-range cruise missiles under Kim Jong-un, advancing nuclear deterrence amid submarine development, raising regional security concerns.

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 ...

South Korea has launched a missile submarine amid North Korea's nuclear advances and reports that it received support from Russia in developing underwater warfare. Newsweek has contacted the North ...

The KSS-III submarine has a crew of 50, displaces 3,358 tons surfaced and 3,705 tons submerged and measures 274 feet long with a 31.5-foot beam. South Korea Ministry of Defense photo South Korea ...

The M51.3 missile is equipped with new oceanic nuclear warheads (TNO-2) that have a longer range, better precision, and deeper penetration capabilities than France’s existing arsenal. It is also ...