Japan has just rendered an entire generation of conventional submarines obsolete, and the world hasn’t fully realized it yet.
— Patricia Marins (@pati_marins64) December 4, 2025
With the Taigei class and its lithium-ion batteries, Tokyo already set a new benchmark: up to three weeks submerged without ever raising a snorkel. That,… pic.twitter.com/0lNvdIpRXP
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