Submarines are quite possibly some of the scariest vessels any navy could operate. No, they're not as large as an aircraft carrier or as armed to the teeth as a destroyer, but their ability to ...

If Tokyo acquires nuclear-powered subs, it would be a significant strategic shift for the only nation to have suffered atomic bombings. In this May 31, 2025 file photo, Japan’s then-Defense Minister ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Japan's new Defense Minister Shinjiro Koizumi said he is not ruling out ...

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.