Add Yahoo as a preferred source to see more of our stories on Google. Handout image from South Korea's Navy of the Jang Yeongsil submarine that launched on October 22, 2025 in Geoje, South Korea. - ...

U.S. forces, aboard the Coast Guard Cutter Forward, brought their Over-the-Horizon boat close to a self-propelled semi-submersible submarine in the Pacific Ocean. The operation is part of ongoing ...

Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental contraptions took to the seas. The modern nuclear-powered submarine represents a ...

Russia’s Marshal Shaposhnikov Udaloy-class destroyer stopped in Vietnam on its way back to Vladivostok, the home base of ...

Historic submarines are surprisingly similar to those deployed by today's Navy and can provide an unprecedented look into modern combat at sea.

South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Having Seoul become the seventh country in the world operating ...