Stealth Suprise: Is Japan's New Submarine a Game Changer?
The National Interest -

Sebastien Roblin


Or a dud?

In June 2019, submarine manufacturer Mitsubishi Heavy Industries hosted a presentation (subsequently shared on Twitter) revealing plans for Japan’s next-generation submarine, dubbed the 29SS or “New 3,000-[metric] ton Submarine.” 

Documents reveal the 29SS will begin development in 2025–2028, and is targeted for entry into service in 2031. The lead ship is estimated to cost 76 billion yen ($710 million) and will likely serve primarily for testing and...

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