The US Navy is trying to ease a projected 17-month delay of its newest intercontinental ballistic missile submarine, the USS District of Columbia, according to the acting chief of naval operations.

A guided-missile submarine launched 30 cruise missiles into Iran. The US is going to retire subs key to that capability.

A single U.S. Navy submarine launched over two dozen Tomahawk land attack cruise missiles into Iran, striking a nuclear ...

NBC News' Courtney Kube shares new details of the military strikes on Iran and reaction to President Trump's latest Truth ...

For the first time, the U.S. Navy successfully recovered an unmanned underwater vehicle from a submerged submarine—without ...

The US Navy has tidied up after itself by, for the first time, launching and recovering a Yellow Moray Unmanned Underwater Vehicle (UUV) through the standard torpedo tube of a Virginia class ...