Japan’s Sōryū-class diesel-electric attack submarines are some of the most advanced and stealthy non-nuclear subs in the ...

How quickly a submarine can move under the surface might surprise you, and these are the fastest the world militaries have to ...

With a naval fleet that includes as many as 71 nuclear submarines, the U.S. Navy possesses the largest and arguably most capable nuclear submarine force in the world.

The submarine stretches for 97 meters and weighs about 7,400 tonnes. HMS Astute (S119) has since been joined by four others – HMS Ambush (S120), HMS Artful (S121), HMS Audacious (S122) and HMS ...

This submarine displaces around 2,350 tons while surfaced and between 3,100-4,000 tons when submerged. The Yakutsk is powered by two diesel generators and an electric motor driving a single, seven ...

The first of Navy’s 14 Ohio-class submarines will reach the end of its lifecycle by 2027 — making the launch of its intended replacement, the Columbia-class submarine, an urgent national priority.

Going Deep Into the World of D.I.Y. Submarine Builders In “Submersed,” Matthew Gavin Frank takes on the undersea universe of amateur submarine enthusiasts — and one obsession turned deadly.

The Trump administration is reviewing whether a deal to equip Australia with nuclear submarines is “aligned with the president’s America First agenda,” sowing doubt on the future of a ...