On June 20, 2017, the delegation of the U.S. Naval Academy visited SIIS. Prof. Wu Chunsi, director of the Institute for International Strategic Studies hosted a roundtable on China-US relations, the South China Sea issue and North Korea nuclear issue etc. Prof. Shao Yuqun, director of the Institute for Taiwan, Hongkong and Macao Studies and Dr. Xue Chen from the Center for Maritime and Polar Studies participated in the discussion.