Key Points and Summary - Japan's Sōryū-class diesel-electric attack submarines are some of the most advanced and stealthy non-nuclear subs in the world. -Named after mythical dragons, these boats are ...

JS Sogei, the sixth Taigei-class submarine, entered the water in a ceremony held at KHI’s shipyard in Kobe City, Japan, Oct. 14, 2025. The Taigei class are Japan’s newest diesel-electric submarines.

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 ...

With US shipbuilding faltering and China’s navy surging ahead, Australia and Japan should formalise their growing security partnership into a full defence alliance — anchored by the joint development ...

JS Sogei, the sixth Taigei-class submarine, entered the water in a ceremony held at KHI’s shipyard in Kobe City, Japan, Oct. 14, 2025. Credit: Japan Acquisition, Technology & Logistics Agency Japan’s ...