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 Columbia-class submarine outstrips its predecessor, the Ohio class, in many ways—but falls short in one conspicuous one.

This month, a welder at a Virginia shipyard etched the keel plate of the USS Barb, the ceremonial birthing of a new submarine. The Virginia-class fast attack submarine joins hundreds of Navy subs ...