The Hyperwar era is upon us. The fusion of distributed artificial intelligence with highly autonomous military systems ushers in a type of lightning-quick conflict that has never been seen before. Yet this is more than a revolution in military affairs, it is a revolution in human affairs that will transform the 21st century defense and security environment. Advances in AI will fundamentally change the human condition, and with it, a profoundly human undertaking, war. In Hyperwar: Conflict and Competition in the AI Century, leading experts in artificial intelligence explore the operational, technological, ethical, and professional military dimensions of this new era in which US dominance is no longer assured.