The United States will share closely held technology to allow South Korea to build a nuclear-powered submarine, President Donald Trump said on social media Thursday after meeting with the country’s ...

The Navy wants to build 12 Columbia-class submarines to replace the service’s aging Ohio-class fleet at an estimated cost of ...

U.S. Submarine Veteran, Anne Graham puts final touches on a model of a Sturgeon-class submarine that she helped build and will be entered in the Redmond Veterans Day parade. (Dean Guernsey/The ...

According to news reports, a Cyprus-based company bought advanced sonar detection equipment from the West—then transferred it to Russia for use in the Arctic. The West continues to be its own worst ...