In July 2023, the Chey Institute for Advanced Studies convened eminent scholars, former high-level government officials and distinguished military officers, and other esteemed guests across to Korea to Deep Dive XIII. Seven sessions, featuring presentations and speeches by prominent figures including former National Security Adviser Kim Sung-han, provided profound insight and analysis into pressing security issues on the Korean Peninsula. The seven sessions focused on the April 2023 Washington Declaration, the recently formed NCG, and other issues regarding North Korea's nuclear advancement and the ROK-U.S. Alliance.