Key Points - Japan's Taigei-class diesel-electric attack submarines, designed to counter Chinese or North Korean undersea threats, are remarkably advanced despite conventional propulsion. -A key ...

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 ...

Japan has commissioned a new hunter-killer submarine that can operate in shallow seas to protect borders. Called Raigei or Thunder Whale, the diesel-electric submarine is initially planned to operate ...

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 ...

December 31, 2024: China has much to fear from west Pacific nations South Korea and Japan combining their submarine fleets with the 25 or more U.S. Navy submarines based in the region. Japan has 22 ...

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.

Summary and Key Points: Canada is ramping up its Arctic defense capabilities in response to growing Russian influence in the region. The country plans to acquire a dozen conventionally powered, ...

The Indian Navy says it needs stealthy conventional submarines that can stay underwater for weeks. This is possible with the help of the air-independent propulsion (AIP) system technology that can ...

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 ...

July 29, 2025: South Korea has 23 Air Independent Propulsion/AIP submarines while North Korea maintains a similar number of older subs. North Korea is building a nuclear powered SSBN, such a boat ...