Submarines are a vital part of the United States Navy, but there is one in particular that stayed at sea for 727 days. Here's ...

The U.S. Navy has quietly moved one of its most advanced submarines into contested waters, […] ...

The U.S. Navy has some of the most advanced nuclear submarines in the world. Its newest addition is named after an important World War II ship.

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. - ...

The U.S. Navy is expected to give General Atomics flight clearance for anti-submarine warfare operations using the MQ-9B ...

President Trump said on Friday that he ordered the deployment of two US Navy submarines. The orders came in response to "foolish" comments by Russia's former president, Trump said. Dmitry Medvedev, a ...

Seoul, South Korea (CNN) — 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 ...

Seoul, South Korea (CNN) — South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. CNN — Seoul, South Korea (CNN) — South Korea ...