The end of the Cold War ushered in a challenging new era for U.S. defense planners. The certainties of planning for conventional war or, in extremis, nuclear war gave way to a new form of unconventional warfare waged by American adversaries like Al Qaeda, Somali warlords, and Iran. Iran's Qods Force examines how one nation state, the Islamic Republic of Iran, has exploited the advantages of unconventional warfare to expand its influence in the Middle...