The U.S., Sweden and Germany are among nine participants in Playbook Merlin, a five-day exercise to ready submarine crews for ...

Some of America's closest European allies say they're already in a gray zone between peace and war with Russia.

Merlin helicopters take to the skies in Norway for Exercise Green Eel, honing their anti-submarine warfare skills in ...

GYEONGJU, South Korea — 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 ...

Japan—a key United States ally near Russia, China and North Korea—may consider developing nuclear-powered submarines amid threats posed by regional adversaries. Newsweek has contacted the Russian and ...

David Stupples does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...