The "USS Seawolf" is on deployment to preserve "a free and open Indo-Pacific region," the U.S. Navy has told Newsweek.

In 2010, the U.S. Navy surfaced three Ohio-class SSGN missile submarines across the Indo-Pacific to signal that American undersea strike power could appear anywhere, anytime. -Fifteen years later, ...

Submarine crews are undergoing more arduous training to sail farther from China, and it's taking a toll.

Chinese submarines travelled underneath Arctic ice this summer in what US officials have warned is an "aggressive" military ...

Seoul wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that.

Pakistan's Navy on December 17 launched its fourth Hangor-class submarine, the PNS Ghazi, at the Wuchang Shipbuilding Industry Group’s Shuangliu Base in Wuhan, marking the completion of construction ...