IRAN'S INFLUENCE IN THE MIDDLE EAST

Relationships with terrorist and militant groups are integral to Iran’s foreign policy. The clerical regime in Tehran sponsors a range of organizations in the Middle East and maintains the capacity to conduct international terrorism outside the region. Iran’s terrorism and destabilization efforts are primarily a threat to U.S. interests and allies in the Middle East: Tehran’s activities worsen civil wars and contribute to the destabilization of the region.

Support for militant and terrorist groups in Iraq, Syria, Yemen, and elsewhere benefits Iran in several ways. It enables Tehran to shore up key allies like the Syrian regime of Bashar al-Asad. It also gives Iran leverage against regional rivals like Saudi Arabia. Ties to militant groups strengthen pro-Iran voices in the region, increasing Iran’s influence in some capitals and in the more remote hinterlands of several countries. Finally, the threat of Iranian terrorism against otherwise stable countries is a factor these countries must consider if they choose to confront Tehran.

Iran’s overall stance toward militant groups is not likely to change in the near-term.

Iran has supported terrorist and militant groups in the Islamic world since the 1979 revolution. Iran continues to exert its influence in regional crises in the Middle East through the Islamic Revolutionary Guard Corps—Qods Force (IRGC-QF), its terrorist partner Lebanese Hizballah, and proxy groups” – an assessment that has stayed roughly constant for many years.

In the decades since the 1979 revolution, Iran has used terrorism and support for militant groups to undermine and bleed rivals, intimidate the Gulf states and other neighbors, project power to make itself a player in the Israeli-Palestinian dispute and other arenas, disrupt peace negotiations that might isolate Iran and benefit Israel, and deter enemies, including the United States, that might otherwise use force against it. Iran has also sponsored terrorist attacks to take vengeance on countries that have supported its enemies, hosted its dissidents, or killed its operatives.

Finally, as a relatively weak state with hostile neighbors, Iran maintains ties to violent groups for contingencies, strengthening the relationship as need be depending on changing circumstances. Given Iran’s considerable success in spreading its influence in the Middle East and hostility to the United States and its allies, many observers often overrate its power. Iran’s conventional military is weak, and its economy, while beginning to improve, remains in poor shape. Ties to terrorist and militant groups is a relatively cheap way for Iran to offset its weaknesses.

Because Iran works through terrorist and militant groups, it gains a degree of deniability for some of its actions. This deniability, however, is better characterized as willing disbelief on the part of many countries rather than true uncertainty. If a group like the Lebanese Hizballah carries out an attack, observers may debate whether Iran gave the order. However, the broader Iranian policy that facilitates and supports such attacks is rarely in question. The depth of Iran’s ties, the shared goals between Iran and many proxies, the clerical regime’s long history of association with violent groups, and the fact that many past instances of terrorism showed involvement of individuals at or near the top of Iran’s hierarchy should lead observers to err on the side of Iranian responsibility.

 Current Iranian Activities: A Brief Review

Tehran’s closest militant ally is the Lebanese Hizballah, perhaps the most capable terrorist group in the world. Iran helped create Hizballah in the early 1980s, and in subsequent decades has armed, trained, and otherwise nurtured it. This assistance is massive: Iran regularly gave Hizballah over $100 million a year, and in many years the figure is significantly higher. Iran’s military aid includes relatively advanced weaponry, such as anti-tank and anti-ship cruise missiles, as well as thousands of rockets and artillery systems. Hizballah has emerged as a key bulwark of the Syrian regime, and Hizballah operatives work with Iran globally to prepare and conduct terrorist attacks. 

Tehran has long worked with Palestinian groups. Relations are especially close to Palestine Islamic Jihad, though these ties discredited the group among many Palestinians. Tehran has also had extensive ties to Hamas at different times in the group’s history, though their fallout over the Syrian and Yemeni civil wars lead to a decline in funding and military aid and frayed, but did not end, relations in general. In 2016, however, the pragmatic Hamas again resumed its public praise for Iran in part because the coup in Egypt deprived Hamas of a key ally and because by then revolution in Syria looked less likely. Iran, unlike other states, was willing to offer Hamas serious weaponry as well as funding.

In Iraq, Iran has played an influential role since the toppling of Saddam Hussein’s regime in 2003. Iran has close ties to the Haider al-Abadi government in Baghdad, but its goals differ from those of its Iraqi partners. Iran wants a state that is weak and vulnerable to its influence, while Iraqi leaders seek a strong regime and country. In addition to relations with the Abadi administration, Iran maintains influence by supporting a host of militant groups, particularly within the Hashd al-Shaabi (or Popular Mobilization Forces), an umbrella militia organization that is playing a leading role in pushing the Islamic State out of Iraq. Many preexisting Shi’a militias supported (and even created) by Iran, such as the Badr Organization, Asa’ib Ahl al-Haq, and Kata’ib Hizballah, joined the Hashd al-Shaabi, thus gaining greater popular legitimacy, combat experience, and state recognition. Iran gives these groups, which number perhaps 100,000 in total, money, arms, training, and other forms of assistance. Through these ties, Iran exercises influence is both at the national level in Iraq and at the local level.

In Syria, Tehran is the chief patron of the regime of Bashar al-Asad, and without Iran’s help it is likely the regime would have fallen by now. Iran has long seen the Syrian regime as a vital ally – it is Tehran’s only true state ally in the Arab world, and perhaps even in the entire world. To save the Syrian regime, Iran has deployed several thousand IRGC and regular army forces, and Iran also commands another 25,000 or so foreign Shi’a fighters from Afghanistan, Iraq, Lebanon, and Pakistan. Regime forces number perhaps 250,000 in total, counting both regular and irregular forces, so Iranian-supported foreigners represent at least 10 percent of the total and an even larger percentage of the forces on which the regime can truly rely.

Iran arms, trains, and funds these foreign fighters. Quasi-government foundations in Iran also provide financial support for the wounded and the families of the slain. In Syria, Iranian officers often command these fighters (as they also do for many Syrian groups), and Iran works with Syria to provide logistical support. The foreign fighters have played a role in almost every aspect of combat, helping guard key areas, storm cities, and shore up Syrian regular army forces.

Hizballah in particular has played critical roles in battles for Qusayr, Damascus, Aleppo, and other cities, bolstering Syrian government forces and providing key shock troops when necessary. The intervention has come at a high cost for Hizballah—an estimated 1,500-2,000 dead and many thousands more wounded, which are significant numbers for the relatively small group. The Syria conflict has also forced Hizballah to devote less attention and resources to its traditional adversary, Israel. In addition, the conflict is exhausting for the Lebanese Shi’a and may make Hizballah more cautious in the future. However, as much as the war has been a serious strain on the organization and its personnel, it has also provided valuable combat experience, greater access to weapons and technology, and, through Russia, an education in conventional maneuver warfare.

In addition to giving the Syrian regime more combat power, using proxies from Afghanistan, Iraq, and Pakistan to fight in Syria will have the long-term impact of increasing Iran’s influence in these countries in years to come. When these fighters return, they will have organizational and personal ties to Iranian leaders. In addition, their increased military power will make them more important local actors, helping their communities but also Iran.

In Yemen, Iran provides small arms to Houthi forces, and the use of anti-ship cruise missiles against U.S. and Emirati warships suggests greater Iranian investment as well as technical training and assistance. However, there is little publically available evidence of any significant personnel presence. In contrast to Iran’s presence in Iraq and Syria, Yemen is not a strategic priority for Tehran, and it is probably using its support for the Houthis as a way to gain leverage against the UAE and Saudi Arabia, drain their attention (and coffers), and counter what it perceives as the Gulf states’ aggressive stance against it.

Because Iran’s approach is more strategic than ideological, it is willing to work tactically with groups like Al Qaeda, even though mutual mistrust limits cooperation. Iran has at times allowed Sunni jihadists to transit Iran and given Al Qaeda operatives a de facto safe haven, albeit one that Al Qaeda has contended is restrictive.

Iran’s partnering with various Shi’a and minority groups in the Middle East has worsened the sectarian climate, made existing civil wars bloodier, and contributed to a back and forth with Saudi Arabia and other Sunni states that further ratchets up regional tension. For Sunni states, Iran’s support to militant groups is proof that the clerical regime is bent on spreading its revolution and that it supports subversive activities in their own countries. Iran, however, sees itself as an “Islamic” actor, not a Shi’a power, and often works with Shi’a groups by default because few Sunni groups are willing to ally with it – an approach that increases its isolation from the Sunni powers.

Most of Iran’s efforts against Israel involve aiding proxies such as Hizballah or assisting groups like Hamas to fight Israel. The killing of Iranian scientists before the JCPOA, which Tehran blamed on Israel, and Israel’s killing of key operatives also fostered a desire for revenge, which Iran has attempted to take through terrorist attacks.

 A military strike by Israel or the United States on Iran would probably prompt a more massive terrorism response. Tehran backs terrorist groups in part to keep its options open: after a U.S. strike, it would call in its chits. Iran would probably attempt terrorist attacks around the world, using its own operatives, the Lebanese Hizballah, and other groups. Tehran would also step up militant activity against U.S. forces in Afghanistan, Syria, and Iraq, using its proxies and perhaps its own paramilitary forces to conduct attacks. The scope and scale of the Iranian response would depend on the level of casualties from the initial attack against it as well as the political circumstances of the regime in Tehran (and those of strong groups like Hizballah) at the time the attack occurred. 

Iran’s support for the Iraqi government and other forces fighting against the Islamic State adds a further degree of complexity to U.S. efforts to diminish Iran’s influence. Iran-backed forces in Iraq have proven effective, often far more so than the Iraqi government. Although U.S. officials contend that there is no formal cooperation between U.S. forces and the IRGC or Hizballah, the United States does coordinate with the Lebanese government and especially the Iraqi government – and both of these coordinate with Iran and have militaries and security forces that Iranian intelligence has probably penetrated extensively. So de facto coordination, or at least deconfliction of operations, is likely occurring.

Successes against the Islamic State in the last two years are posing additional challenges regarding the Iranian role. Many Shi’a militias claim they will resist any lasting U.S. presence in Iraq. This would represent a serious security challenge as the Iraqi Security Forces cannot be expected, either militarily or politically, to effectively protect U.S. forces or defeat remnants of the Islamic State without U.S. assistance.

If the United States targets IRGC forces in Syria or that of its proxies, they might strike back against U.S. forces in Syria and elsewhere in the region. If the United States more aggressively targets the Syrian regime, there is greater potential for conflict with Iran, especially if Tehran believes the United States is playing a significant role and is likely to maintain this role until the Syrian regime falls.

Iran is likely to continue to put support for militant groups at the front and center of its foreign policy, but Tehran also faces problems should it seek to significantly increase its support for radical groups.

Iran can sustain its high levels of support. In April 2017, the World Bank reported Iran’s economy did well in 2016 due to sanctions relief facilitated by the JCPOA. This economic relief has in turn certainly helped Iran sustain its regional military activities, proxy support, and weapons development. In addition, Iran believes support for militants pays policy dividends. The Asad regime, once teetering, is now ascendant or at least in a stronger position. Iran’s support to various groups in Iraq have given Tehran influence at both the local and national level. Hizballah has proven a loyal ally that has helped Iran project its influence in Lebanon and in neighboring states.

The cost of Iran’s support is considerable though difficult to judge from unclassified sources. Iran spends billions of dollars on supporting its proxies and deploying its own military forces – a huge sum for a country with significant economic problems and a limited military budget. Iran’s considerable economic mismanagement also limits its power.  Despite the economic benefits gained from the JCPOA, unemployment, especially youth unemployment, remains high.

Just as Iran faces limits on its power, so too does the United States face limits in its ability to reduce Iran’s influence in the Middle East. The JCPOA, for all its faults, is better than any current alternatives. If the U.S. unilaterally abrogates the agreement, it is not likely that U.S. allies would curtail their economic ties to Iran or otherwise follow the U.S. lead. The situation would be far worse than it was before the JCPOA was signed. In addition, Iranian leaders who had championed the deal would fear losing domestic support and would be more likely to embrace hardline policies abroad. The United States, with its troop presence in Afghanistan, Iraq, and Syria, is highly vulnerable to Iranian proxy attacks and must recognize that escalation on the U.S. side can be met with escalation from Tehran.

An effective policy against Iran will also require a sustained and steady U.S. commitment. Inconsistent rhetoric, bombast, and efforts to score points to domestic audiences at the expense of Muslims will hinder U.S. efforts to build an anti-Iran alliance, among other costs. Similarly, anti-Iran rhetoric that is not tied to actual policies and events on the group will make Iran more likely to work with anti-American local groups. Unless the administration is more careful in its rhetoric, allies and adversaries alike are more likely to see the United States as unreliable or to simply ignore signals they do not like, leading to misperceptions that could backfire on the United States.

Tehran’s strategic options and desire to shape the Middle East to its liking will drive it to continue to work with a range of militant and terrorist groups and selectively use violence. Better U.S. policy can reduce the scope and scale of Iran’s hostile activities but not end them altogether.

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