Beijing, April 30 (Youth.cn) - On April 28, 2025, in Zhuhai, China's first independently developed high-speed submersible unmanned surface vessel (USV), dubbed "Blue Whale," made its historic launch. This groundbreaking maritime innovation marks the world's inaugural deployment of a dual-mode vessel capable of both high-speed surface navigation (achieving 40 knots) and stealth submarine operations, representing a significant leap forward in unmanned marine technology. Photo/CFP