China Deploying "En Masse" Underwater Drones In Indian Ocean: Report

China has deployed a fleet of underwater drones called Sea Wing (Haiyi) glider in the Indian Ocean, which can operate for months on end and make observations for naval intelligence purposes,...

source https://www.ndtv.com/world-news/china-deploying-en-masse-underwater-drones-in-indian-ocean-report-2345950