CIMSEC: Leviathan Wakes: China's Growing Fleet of Autonomous Undersea Vehicles · August 18, 2021 · China HSU-001 Sea-Whale 2000 Great Underwater Wall Harbin

FORBES: China‚Äôs New Unmanned Attack Sub May Not Be What It Seems · July 9, 2021 · China XLUUV Harbin

SCMP: China reveals secret programme of unmanned drone submarines dating back to 1990s · July 8, 2021 · China XLUUV Harbin