On March 5, 2019, the U.S. Air War College Delegation visited the Asan Institute for Policy Studies. Dr. Choi Kang, vice president of the Asan Institute delivered a lecture on “Retrospect & Prospect of North Korean Nuclear Issues.” Dr. Choi explained in detail about conflicting positions of the concerned parties after the breakdown of the U.S.-North Korea Summit in Hanoi, North Korea’s strategic calculus and prospects for the future. The lecture was followed by a Q&A session.