A group of NATO navies are conducting “Operation Ice Camp Boarfish” in the Arctic Ocean—even as a war rages thousands of miles away in Iran.

A nuclear submarine can disappear from the operational fleet for years without leaving the map, and that absence still changes what the Navy can do. That is the engineering reality behind a prolonged ...

The US Navy is preparing its future ballistic missile submarine fleet to operate the ...

France is moving to tie its nuclear deterrent strategy more closely with European allies while keeping full control over any ...

President Emmanuel Macron outlined how France’s nuclear deterrent protects France and, in his view, helps protect Europe.

Refueling a nuclear submarine isn't quite as simple or quick as putting gas in your car. Here's why it takes years to get a ...

Beijing is working to ramp up production of nuclear-powered attack boats and incorporate larger numbers of guided-missile ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

French President Emmanuel Macron announced the extension of France's nuclear deterrent to eight European nations, alongside ...

Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

With a new war comes new fears of World War III or possibly even a nuclear war. Here are 11 disaster supply items to have and ...