National security in the age of competitive AI is evolving into a structure that transcends conventional threat paradigms, encompassing uncertainty, interdependence, and complex multi-actor dynamics. While the integration of AI into military strategy appears inevitable, ignoring its strategic and ethical consequences risks triggering irreversible security crises. One of the most urgent questions in the coming era of international relations, therefore, is how to preserve peace, security, and stability in a world increasingly defined by competitive artificial intelligence.