Japan's undersea warfare strengths, from quiet signatures to chokepoint control, could disrupt China's naval plans near ...

Even before the first Japanese bomb fell, the HA-19 and four other Type A midget submarines were meant to deal the first blow ...

If Tokyo acquires nuclear-powered subs, it would be a significant strategic shift for the only nation to have suffered atomic ...

Japan approved 847.2 billion yen ($5.4 billion) defense spending in the fiscal 2025 supplementary budget amid growing ...

Japan has launched a new Taigei-class sub every year since 2020. These "Big Whale" subs are expected to hunt Chinese warships should a war break out. Their advanced capabilities and stealth make them ...

This is the remarkable story of the Aichi M6A Seiran and the massive I-400 submarines—an audacious Japanese plan to launch ...

In October, Japan’s newest Taigei-class attack submarine reached a new milestone. During a ceremony at manufacturer Kawasaki Heavy Industries in Kobe City, Japan’s Maritime Self-Defense Force launched ...

SEOUL/WASHINGTON/TOKYO--South Korea’s pursuit of nuclear-powered submarines is gaining traction following President Donald ...

CAMP FOSTER, Okinawa – Tokyo is moving forward with plans to field submarine-launched missiles capable of striking enemy ships as it looks to strengthen its counterstrike capabilities and standoff ...

TOKYO (Reuters) - Japan is ready to match European rivals and build a fleet of submarines for Canberra entirely at Australian shipyards, a senior Japanese official said on Tuesday, after stumbling in ...