A drone photo taken on May 5, 2026 shows the China Coast Guard (CCG) vessel Chuanshan conducting warning water cannon discharge during a training in the territorial waters of China's Huangyan Dao in the South China Sea. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Liao Jinglong (R) participates in a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Di)

Law enforcer Ye Yuyuan participates in a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

The China Coast Guard (CCG) vessel Chuanshan conducts warning water cannon discharge during a training in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Gui Zijie operates a drone during a training aboard China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Ye Yuyuan conducts warning water cannon discharge during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Liao Jinglong watches out during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Shi Wei (L) participates in a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Ye Yuyuan conducts warning water cannon discharge during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Chen Hao (1st R) participates in a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Liao Jinglong watches out during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Ye Yuyuan checks water cannon equipment during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Wang Xiwen participates in a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Ye Yuyuan conducts warning water cannon discharge during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Di)

An aerial drone photo taken on May 5, 2026 shows the China Coast Guard (CCG) vessel Chuanshan conducting warning water cannon discharge during a training in the territorial waters of China's Huangyan Dao in the South China Sea. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Ye Yuyuan checks water cannon equipment during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Ye Yuyuan checks water cannon equipment during a training aboard the China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)

Law enforcer Gui Zijie operates a drone during a training aboard China Coast Guard (CCG) vessel Chuanshan in the territorial waters of China's Huangyan Dao in the South China Sea, May 5, 2026. Recently, the CCG vessel Chuanshan, which is patrolling on duty in the territorial waters of China's Huangyan Dao, has organized comprehensive training on maritime rights safeguarding and law enforcement. (Xinhua/Chen Bin)