Dr. CAO Qun joined China Institute of International Studies (CIIS) in 2012. He is currently an Associate Senior Editor of China International Studies, and a researcher specialized in South China Sea issue, Sino-Japanese dispute over the Diaoyu Dao/Senkaku Islands, and ADIZ rules. His most recent books published in Chinese are as follows: The U.S. Air Defense Identification Zones: A Historical and Legal Study (Beijing: China Ocean Press, 2020) and A Study of the Russian Government’s Decision-making before the Russo-Japanese War: 1894-1904 (Beijing: China Society Press, 2015).