The debate over nuclear-powered submarines is likely to serve as a critical indicator of Japan’s strategic trajectory.

JS Raigei, the fourth Taigei-class diesel-electric submarine with the Japan Maritime Self-Defense Force. Credit: The Japan Maritime Self-Defense Force (JMSDF) A Japanese Defense Ministry panel called ...

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 ...

Key Points and Summary - Japan's new Taigei-class ("Big Whale") submarine, which entered service in 2022, represents a significant technological leap for its maritime force. -Designed to succeed the ...

The Aichi M6A Seiran was engineered to be assembled, fueled, and launched from a submerged submarine in under 30 minutes. Designed to carry heavy bomb loads at nearly 300 MPH, it was intended for long ...

Riding a wave of success during his Asia tour, President Donald Trump triumphantly announced the U.S. would be working with South Korea to build nuclear submarines. 1 To those familiar with the AUKUS ...

The Japan Air Self-Defense Force's F-15 fighters holding a joint military drill with the U.S. B-52 bomber on Dec. 10, 2025. (Japan's Ministry of Defense/AP) Japan is barreling forward with efforts to ...

Japan's Ministry of Economy, Trade and Industry (METI) has begun reviewing the country's submarine cable supply chain, as the US expands its investigations and excludes Chinese communications ...

A submarine used in World War II that vanished with the lives of 80 service members has been found, a discovery team announced Sunday. The U.S. Navy submarine was found in June 50 nautical miles south ...