Japan has just rendered an entire generation of conventional submarines obsolete, and the world hasn’t fully realized it yet.
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
“up to three weeks submerged without ever raising a snorkel”
If they take advantage of thermal runaway, they can stay down a lot longer than that.
That sounds like the worst idea ever.