Strategic implications for undersea warfare, autonomous naval logistics, maritime intelligence, critical seabed infrastructure and the global balance of maritime capabilities, 2026–2031. Scope. This assessment examines the emergence of two suspected Chinese motherships for extra-large unmanned underwater vehicles (XLUUVs), the evidence from Shanghai and Guangzhou through 26 October 2026, and the implications for Chinese naval development, … Leggi tutto China’s Second XLUUV Mothership: The Transition from Underwater Experimentation to Persistent Naval Power