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The PLA Navy's Type 055 destroyer Zunyi conducted a confrontational anti-submarine exercise in the South China Sea in January 2026, aimed at enhancing its reconnaissance and battlefield situational awareness capabilities. Equipped with advanced sonar systems and two helicopter hangars, the Zunyi has completed over 200 days at sea in the past year, significantly improving its anti-submarine warfare skills through extensive drills. The exercise underscores the strategic importance of the South China Sea for submarine operations.