The Islamic regime’s persistent fear of an outside aggressor and its direct military involvement in Syria and Iraq, and proxy actions elsewhere, have contributed to making threat and counter-threat, as well as mutual distrust, the defining patterns in the Islamic Republic’s international relations. The memory of foreign interventions and the hostility of the international community have instilled in the ruling cluster a siege mentality and sense of paranoia. Indeed, the regime’s internal and external defensive measures have aimed primarily to guard against the threat of history repeating itself in another foreign-backed coup or military intervention, similar to the one in 1953. Its regional policy adventures—either directly or indirectly—have been in pursuit of an iron-clad resistance to political dissent at home and impenetrable national security and foreign policy posture.