China building military base near disputed islands China is building a large military base around 300km from a chain of islands at the centre of a territorial row with Japan. The base will enhance surveillance over China’s new Air Defence Identification Zone (ADIZ) in the East China Sea Nanji Islands: Several landing strips and radar installations built or under construction Chinese ADIZ S. Korean ADIZ CHINA EAST CHINA SEA ADIZ TAIWAN SOUTH KOREA JAPAN Okinawa: Home to major U.S. bases with around 26,000 troops Senkaku/Diaoyu: Eight uninhabited islands and rocks administrated by Japan. Archipelago claimed by China and Taiwan Yonaguni: Japan began construction of surveillance centre in April Japanese ADIZ 200km 125 miles Source: Kyodo News Picture: Getty Images