During a Cold War patrol, a US attack submarine collided with a massive surface vessel, leaving her hull severely twisted and ...

The U.S. operates a fleet of more than 50 nuclear-powered fast attack submarines to counter China's naval threat.

The submarine is the fifth Navy vessel to bear the name Idaho. The first was a wooden-hulled storeship commissioned in 1866.

Seoul wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that.

A US nuclear-powered submarine arrived at a key naval base in South Korea's southeastern Busan city on Tuesday to restock ...

President Donald Trump recently broke with decades of strategic silence when he publicly revealed the repositioning of U.S. nuclear-powered submarines in a thinly veiled warning to Russia. The ...

Hanwha’s Philly Shipyard has the capability of building a nuclear-powered submarine for the US Navy, said Alex Wong, global ...

Seoul to formalise right to build nuclear-powered submarines via Aukus-style waiver requiring approval from Trump and US ...

The Kazan submarine is one of a new class that has long concerned NATO militaries, and its visit to Cuba was an opportunity for the US.

Seoul, South Korea (CNN) — South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Seoul, South Korea (CNN) — South Korea wants ...