The lead Columbia-class submarine, currently under construction, has faced schedule adjustments but is showing signs of ...

The United States military uses nuclear submarines to attack strategic targets, gather intelligence, and deter threats. Submarines make up part of the "nuclear triad" that protects against nuclear ...

Add Yahoo as a preferred source to see more of our stories on Google. North Korea's leader Kim Jong Un inspected the country's nuclear-powered submarine, claimed to be 8,700 ton, as he called Seoul's ...

The induction of a third SSBN brings the number of such boats to three, enabling the deployment of a continuous at-sea ...

The U.S. Navy says it has welded and installed its first 3D-printed metal part on a nuclear submarine, a step that could reshape how the fleet maintains and repairs its most sensitive vessels. The ...

Even as Australia eyes the heady prospect of operating nuclear-powered attack submarines in the future, it is facing the challenge of keeping six ageing Collins-class diesel-electric submarines in ...

In December 2025, North Korean leader Kim Jong-un toured a shipyard and inspected the completed hull of a supposed 8,700-ton ...