Forget the U.S. Navy: Japan’s Sōryū-Class Lithium-Ion ‘Dragon’ AIP Submarine Can Stay Submerged for Weeks

Forget the U.S. Navy: Japan’s Sōryū-Class Lithium-Ion ‘Dragon’ AIP Submarine Can Stay Submerged for Weeks

Key Points and Summary – Japan’s Sōryū-class diesel-electric attack submarines were built for stealth, endurance, and chokepoint warfare—exactly what matters in the First Island Chain as pressure from China grows. -Entering service in 2009, the class combined large displacement with air-independent propulsion on early boats and then pioneered lithium-ion batteries on later hulls, boosting underwater […] The post Forget the U.S. Navy: Japan’s Sōr…