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Dispute in the East China Sea

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A Japanese aircraft circles a group of disputed islands known as Senkaku in Japan and Diaoyu in China in the East China Sea

Case Overview

Japan and China exchange fire over the East China Sea in airspace above the Senkaku/Diaoyu Islands, five uninhabited islets claimed by both governments.

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The Situation

 

Japan has long maintained an air defense identification zone (ADIZ) that encompasses the Senkaku/Diaoyu Islands, over which it has administrative control. China declared its own ADIZ in 2013, stating it had the right to take military action against any aircraft that entered the zone without prior notification. Japan, along with the United States and South Korea, has protested the Chinese ADIZ and refuses to conform to China’s demand for prior notification. Japanese civilian and military aircraft continue to operate in the skies above the East China Sea. The intensification of the island dispute has raised political sensitivities in both countries, making it difficult for leaders to ignore the increasing interaction between ships and aircraft in the area. China now sends its coast guard to patrol the islands alongside Japan’s coast guard. The changing balance of military and economic power in Asia, growing popular distrust between the two nations, and deep dependence on the sea lands for access to energy resources and trade have heightened concerns that Japan and China may inadvertently end up in an armed clash. Miscalculation by their militaries or an unforeseen incident provoked by fishermen or sovereignty activists could trigger a crisis. The United Nations does not take a position on the disputed sovereignty claims, but the UN Security Council is meeting to consider any action it should take to ease tensions in the East China Sea and to evaluate its long-term policy in the region. A UN decision in this case could be difficult to achieve because China, a veto-wielding permanent member of the council, has the ability to block many actions that have proven effective in past disputes.  

 

Concepts

 

Issues

  • Relations between established and rising powers in Asia
  • Balance of power in the Pacific
  • Trade and investment relationships among China, Japan, and the United States 

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