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PacNet #87B – Why did South Korea need to revise the KADIZ?

China’s unexpected declaration of an Air Defense Identification Zone (ADIZ), the CADIZ, in the East China Sea (ECS) on Nov. 23 has caused substantial friction with its neighbors, Japan and South Korea, and with the United States. This will likely impact South Korea’s maritime security calculations for years to come, and has obliged South Korea to revise its own ADIZ, the KADIZ.