Japan now operates five cutting-edge Taigei-class submarines, in addition to its 12 Soryu-class and 6 Oyashio-class vessels.

Diesel-electric submarines like the Taigei class offer Japan a fearsome weapon against China—at a fraction of the cost of ...

Key Points and Summary - Japan’s Sōryū-class submarines are the backbone of the JMSDF’s undersea force and some of the most capable non-nuclear subs afloat. -Evolving from the Oyashio-class, they ...

Summary and Key Points: Japan’s Taigei-class “Big Whale” submarines are portrayed as a generational step beyond the Soryu-class—heavier, quieter, and built around years of research to reduce noise, ...