evidence: Just a few months ago, Secretary of Defense James Mattis echoed the claim of a worsening global security situation: "Our challenge is characterized by a decline in the long-standing rules-based international order, bringing with it a more volatile security environment than any I have experienced during my four decades of military service."2 Compounding this concern is that much of the geopolitical challenge buffeting the United States is facilitated by efforts and methods outside of the traditional political and military domains of geopolitical competition.