The USS Newport News arrived in Iceland this week as the US looks to the Arctic with increasing concern amid growing Russian ...

A U.S. Navy spokesperson told Newsweek: "The U.S. Navy can confirm that an E-6B Mercury aircraft did operate over the North ...

NAPLES, Italy — An American nuclear-powered submarine made a port call in Iceland on Wednesday, marking the first time such a ...

Our nuclear submarine fleet is in big trouble. Production and repairs are backlogged. We can't even manufacture two per year and China is catching up. Trump team has to move fast.

A senior U.S. Defense official said it was no surprise China covered up that its first nuclear-powered Zhou-class submarine sank while attached to a pier between May and June.

A United States submarine, USS Kentucky, which is capable of firing nuclear missiles, carried out an armed air escort exercise with helicopters in the Pacific Ocean last month.. Why It Matters ...

Nuclear submarines make up the entirety of the United States Navy's surprisingly large submarine fleet. The U.S. operates several classes of submarines, each of which provides different ...

North Korea has unveiled for the first time what it says is a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US.

North Korea revealed Saturday it is building a nuclear-powered submarine — a weapon that experts say would be “absolutely threatening to [South Korea] and the US.”. Images showed Kim Jong Un ...

Satellite imagery showed that China's newest nuclear-powered attack submarine sank alongside a pier while under construction, a U.S. military official confirmed to CBS News on Thursday.