Members of Congress and Pentagon officials are increasingly focused on developing emerging military technologies to enhance U.S. national security and keep pace with U.S. competitors. The U.S. military has long relied upon technological superiority to ensure its dominance in conflict and to underwrite U.S. national security. In recent years, however, technology has both rapidly evolved and rapidly proliferated—largely as a result of advances in the commercial sector. As former Secretary of Defense Chuck Hagel observed, this development has threatened to erode the United States’ traditional sources of military advantage. The Department of Defense (DOD) has undertaken a number of initiatives to arrest this trend. For example, in 2014, DOD announced the Third Offset Strategy, an effort to exploit emerging technologies for military and security purposes as well as associated strategies, tactics, and concepts of operation. In support of this strategy, DOD established a number of organizations focused on defense innovation, including the Defense Innovation Unit and the Defense Wargaming Alignment Group.