The Soviet Union built revolutionary titanium-hulled submarines—like the Alfa-class—that were faster and could dive deeper than any American sub. -The U.S. Navy, however, never copied this strategy. It was a deliberate choice.

South Korea's prime minister put his political weight behind his country's multibillion-dollar bid to sell Canada submarines. Kim Min-seok accompanied his Canadian counterpart, Mark Carney, on a tour of the Hanwha Ocean Ltd.

Hanwha officials say they can deliver four KSS-III submarines to Canada by 2035, if a contract is signed in 2026. The first submarine would be delivered in 2032 and the additional submarines will be delivered at a rate of one per year, meaning the entire fleet of 12 submarines can be delivered to Canada by 2043.

The naval legacy of the Beehive State will continue to live on in the USS Utah, a fast-attack submarine set to be christened on Saturday.

Russia has unveiled plans to raise two nuclear submarines from the Arctic seabed over fears they could leak radioactive waste into nearby waters.

LAKE CHEROKEE, Texas (KLTV) - There is a man who lives in East Texas who owns a functioning submarine. Yes, a submarine. And he not only owns it, but he also designed and built it over forty years ago. Harold LeTourneau apparently likes making a splash.

A man cannot one day just decide to build a submarine, much less the first powered submarine, much less if that man is a writer. Yet that is just what Narcis Monturiol did. As a young firebrand of the mid-19th century, Monturiol flirted with inflammatory ...

P resident Donald Trump said he’s restarting U.S. nuclear missile testing on Wednesday hours before meeting with Chinese President Xi Jinping, further escalating the stakes of the high-profile summit between the two leaders.