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The Zunyi, a Type 055 large destroyer of the Chinese People's Liberation Army (PLA) Navy, conducted a confrontational anti-submarine exercise in the South China Sea in January 2026. The exercise aimed to enhance the Zunyi's capabilities, including reconnaissance and real-time data acquisition for improved battlefield situational awareness.

The destroyer has undertaken extensive anti-submarine drills over the past year, achieving phased improvements in its warfare capabilities. The Zunyi features advanced sonar systems and two helicopter hangars, allowing for enhanced submarine detection and deployment of additional anti-submarine helicopters.

The South China Sea's depth facilitates effective submarine operations, making it a suitable location for such drills. Over the past year, the Zunyi has completed over 200 days at sea, covering more than 50,000 nautical miles while participating in various naval exercises.