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Shia Crescent

The Shia Crescent denotes a geopolitical arc of predominantly Shia Muslim populations and Iran-aligned entities extending from Iran through Iraq and Syria to Hezbollah-controlled areas in southern Lebanon, enabling Tehran's coordination of proxy forces and supply lines across the region. The term, first articulated by Jordan's King Abdullah II in 2004, crystallized apprehensions among Sunni Arab leaders regarding Iran's post-Iraq War ascendancy, as the empowerment of Shia factions in Baghdad facilitated a land bridge for Iranian arms transfers and ideological export to the Mediterranean. This configuration has underpinned Iran's "axis of resistance" strategy, involving state-backed militias such as Iraq's , Syria's Alawite regime under , and , which have conducted against shared adversaries including , , and the . Empirically, Iran's investments—estimated in billions via oil revenues and covert —have sustained proxy operations that exacerbate sectarian cleavages, displace Sunni populations, and entrench proxy governance, as evidenced by 's dominance in Lebanon's security apparatus and Iranian Revolutionary Guard Corps coordination in and . Controversies surrounding the Shia Crescent center on its role in perpetuating regional instability, including the Syrian civil war's prolongation through Shia foreign fighters and Iran's circumvention of sanctions to arm proxies, prompting counteractions like Israeli airstrikes on supply routes and U.S. designations of entities as terrorist organizations. By late 2024, the arc encountered severe reversals with Assad's ouster in Syria, severing the contiguous corridor and isolating Hezbollah amid Israeli operations that degraded its arsenal, marking a potential unravelling of Iran's forward defense doctrine amid broader setbacks in Yemen and Gaza.

Origins and Conceptualization

Coinage of the Term

The term "Shia Crescent" was coined by King Abdullah II of Jordan in December 2004 during an interview with The Washington Post, where he expressed alarm over the potential formation of a contiguous Shia-dominated zone extending from Iran through Iraq, Syria, and into Lebanon. Abdullah described this arc as a strategic threat, warning that it could empower Iran to project influence across the region, destabilizing Sunni-majority Arab states amid the power vacuum following the 2003 U.S.-led invasion of Iraq and the subsequent empowerment of Iraq's Shia majority. The phrase encapsulated concerns over Iran's ideological and military outreach, including support for Shia militias in Iraq and alliances with Syria's Alawite-led regime under Bashar al-Assad, which facilitated arms flows to Hezbollah in Lebanon. Abdullah's usage gained traction among Sunni leaders, reflecting empirical observations of Iran's post-1979 of Shia , intensified by Iraq's Shiization after Saddam Hussein's fall—where Shia parties secured 140 of 275 seats in the transitional elections. Egyptian echoed the term in subsequent statements, amplifying fears of a "Shiite arc" that could shift regional balances, as evidenced by Iran's of Iraqi Shia militias like the , which numbered over fighters by . While critics later dismissed the as exaggerated sectarian , the coinage aligned with verifiable causal : Iran's of sectarian affinities to build proxy , evidenced by Hezbollah's with , where Iranian-supplied played a documented role. The term's introduction occurred against a backdrop of heightened Sunni-Shia tensions, with Iraq's Shia population—comprising approximately 60-65% of its 28 million people—gaining political dominance, enabling cross-border linkages that Abdullah foresaw as a "crescent" threatening Jordan's stability, given its own Shia minority and proximity to volatile borders. This framing prioritized geopolitical over domestic in discourse, highlighting Iran's asymmetric of leveraging Shia demographics in mixed states like ( 61%) and ( 70%), where influence operations predated 2004 but accelerated post-invasion.

Historical Preconditions

The schism in Islam originated shortly after the death of Prophet Muhammad in 632 CE, when a faction supported Ali ibn Abi Talib, Muhammad's cousin and son-in-law, as the rightful successor over the elected caliphs favored by Sunnis; this group, termed Shia (meaning "partisans of Ali"), coalesced around key events like Ali's assassination in 661 CE and the martyrdom of his son Hussein at the Battle of Karbala in 680 CE, which entrenched Shia rituals of mourning and opposition to perceived illegitimate rule. Early Shia centers emerged in Iraq, particularly Kufa, where Ali had established a base, fostering theological development under Imams like Ja'far al-Sadiq (d. 765 CE) and embedding Shia populations in southern Mesopotamia despite Abbasid Sunni dominance from 750 CE onward. Iran's into a Shia stronghold occurred under the , founded by in , who declared —emphasizing the descending from —the official state religion to consolidate and differentiate from the Sunni ; this involved coercive campaigns, including execution of Sunni scholars and importation of Lebanese Shia clerics from to propagate , shifting a historically Sunni-majority Persia to over 90% Shia by the dynasty's later phases. The (1501–1736 ), fought along sectarian lines, intensified this divide, with Iran positioning itself as protector of Shia minorities in Ottoman territories like Iraq and eastern Anatolia, laying groundwork for cross-border religious ties. In Iraq, Shia communities persisted as a demographic (estimated –% by the ) in shrine cities like and , serving as hubs that drew Iranian under Ottoman Sunni (1534–1918 ), though repressed through like the Wahhabi sack of . Lebanon's Shia, concentrated in and the Bekaa since at least the Fatimid , maintained as "Metawalis" under Ottoman millet from the , with ties to Safavid scholars reinforcing Twelver . Syria's , a ghulat (extremist) Shia sect tracing to Muhammad ibn Nusayr (d. circa 883 CE), formed insular communities in the coastal Latakia and Tartus regions by the 11th century, surviving Mamluk and Ottoman marginalization as a minority (10–15% of Syria's population). These entrenched Shia enclaves across contiguous territories—linked by shared veneration of Imams and resistance to Sunni hegemony—provided latent preconditions for sectarian alignment when 20th-century upheavals empowered Iran.

Geographical and Demographic Extent

Core Shia-Majority or Influential Areas

The Shia Crescent encompasses regions where Twelver Shia Muslims constitute demographic majorities or wield significant political and military influence, forming a contiguous arc from Iran through Iraq to the Mediterranean Levant. This core includes Iran, Iraq, and Bahrain as Shia-majority states, alongside Syria and Lebanon where Shia-affiliated groups hold outsized sway despite comprising minorities of the population. Iran serves as the ideological and strategic heart of the Shia Crescent, with Shia Muslims accounting for 90-95% of its approximately 85 million population as of 2023. The Islamic Republic's constitution enshrines Twelver Shiism as the state religion, directing foreign policy toward exporting the revolution and supporting co-religionists abroad. Iraq hosts a majority of 60-65% among its 45 million , concentrated in the , , and surrounding areas, enabling Shia-led governments since the 2003 U.S. invasion toppled Sunni-dominated Ba'athist rule. Iranian-backed militias and parties, such as those in the , exert considerable control over security and politics. In Bahrain, Shia Muslims form 65-75% of the citizen population in a nation of about 1.5 million, yet the Sunni Al Khalifa monarchy suppresses their political aspirations, prompting Iranian ideological support for opposition groups amid periodic unrest since the 2011 Arab Spring. Syria features Alawites, a syncretic offshoot of Twelver Shiism comprising 10-15% of the 22 million population, who have dominated the Ba'athist regime under the Assad family since 1971; their alignment with Iran intensified during the civil war starting in 2011, framing the conflict as a sectarian defense against Sunni extremists. Lebanon has a Shia of 30-40% within its 5.5 million citizens, empowered politically and militarily by , a Iran-funded group designated as terrorist by multiple governments, which controls southern territories and influences as a within a .

Peripheral and Proxy Extensions

In addition to core Shia-majority regions, the Shia Crescent encompasses peripheral areas with significant Shia minorities in Sunni-dominant Gulf states, including Saudi Arabia's Eastern Province, where Shiites form 10-15% of the national but are concentrated in oil-rich areas like Qatif and Ahsa, comprising up to 40% locally. These communities have experienced periodic tensions, with Iranian state media occasionally amplifying local grievances, though evidence of direct Tehran-orchestrated unrest remains limited and contested by Riyadh. In Kuwait, Shiites account for approximately 25-30% of citizens, often engaged in trade and clerical roles, with some factions maintaining ties to Iranian religious networks but prioritizing national loyalty amid government scrutiny. Bahrain, despite its Shia majority of about 70%, operates as a peripheral extension due to Sunni Al Khalifa rule and documented Iranian attempts at subversion, including alleged plots to overthrow the monarchy in 2011 and 2013. Proxy networks represent the most dynamic extensions, enabling Iranian influence beyond demographic bases through armed non-state actors. In Yemen, the Zaydi Shia Houthi movement (Ansar Allah), controlling Sanaa and northern territories since September 2014, receives Iranian ballistic missiles, drones, and training, with U.S. intelligence attributing over 20% of Houthi arsenal to Tehran-supplied components as of 2023. This support, escalating after 2015, positions Yemen as a southern flank, disrupting Red Sea shipping and threatening Saudi borders with attacks peaking at 200+ drone incursions in 2019. In the Palestinian territories, Iran funds Sunni groups like Hamas and Palestinian Islamic Jihad despite doctrinal differences, providing an estimated $100-350 million annually to Gaza operations, including rocket technology transfers documented in Israeli intercepts from 2021 onward. These alliances, framed by Tehran as resistance to Israel, extend the crescent westward, with Hamas leaders acknowledging Iranian backing for the October 7, 2023, assault. Further proxy reach manifests in transnational Shia militias deployed outside core zones. Iran's (IRGC) recruits Afghan Fatemiyoun and Pakistani Zainebiyoun brigades—totaling 10,000-20,000 fighters by 2020—for Syrian operations, offering salaries and citizenship incentives to sustain Assad's forces amid Sunni advances. In Iraq's , post-2003 (PMF) factions like extend operations into and , conducting over 150 attacks on U.S. in 2023-2024 using Iranian-supplied drones. These , while amplifying Tehran's deterrence, expose vulnerabilities, as faltered after Hezbollah's 2024 setbacks and Houthi overextension.

Iranian Central Role

Strategic Objectives

Iran's strategic objectives in fostering the Shia Crescent revolve around exporting the principles of the 1979 Islamic Revolution, as articulated by Ayatollah Khomeini, who viewed the revolution's as exportable to mobilize Shia populations and challenge secular or Sunni-dominated regimes in the region. This ideological expansion aims to create loyal enclaves among Shia communities, particularly in , , , and , to propagate velayat-e faqih (guardianship of the ) and anti-imperialist against perceived threats from the , , and Sunni monarchies. Under the Islamic Corps-Quds (IRGC-QF), led by figures like until his death in , this objective translated into building a of proxy militias, such as Hezbollah and Popular Mobilization Forces, to extend Iran's influence without direct territorial conquest. A core pragmatic goal is achieving strategic depth through a contiguous "land bridge" from to the , enabling the transfer of weapons, fighters, and resources to allies like , thereby deterring attacks on Iran's homeland by shifting conflicts to peripheral fronts. This forward defense doctrine, refined in the 1990s and 2000s, posits that controlling Shia-majority or influential areas in and provides a buffer against Sunni adversaries and Israel, allowing Iran to project asymmetric power via low-cost proxies rather than conventional forces. Iran's investments, including billions in aid to Syria since 2011 and training of Iraqi Shia militias post-2003, underscore this aim to consolidate a defensive-offensive axis capable of encircling rivals. Countering Sunni regional powers, particularly , forms another objective, with the Shia Crescent serving as a means to Riyadh's in the and by supporting Shia insurgencies and political movements that fragment Sunni . Iranian leaders, including Soleimani, explicitly framed this as reviving Shia to 70% of reserves through ideological and , though empirical outcomes have been mixed to proxy dependencies and retaliatory coalitions. This rivalry drives Iran's backing of groups like the in to shipping and assert naval capabilities in the Bab el-Mandeb Strait. Overall, these objectives prioritize survival and expansion through hybrid warfare, blending state sponsorship with non-state actors to compensate for Iran's and economic constraints.

Mechanisms of Influence

Iran exerts influence primarily through the Islamic Revolutionary Guard Corps' (IRGC) , an elite unit dedicated to extraterritorial operations, proxy cultivation, and asymmetric warfare support across Shia-aligned networks. The coordinates regional branches—such as those for , , , and —to deliver integrated aid packages, including financial transfers, weapons shipments, personnel training, and tactical advising, enabling proxies to conduct operations aligned with Tehran's strategic goals like deterring adversaries and securing supply lines. This model, refined since the 1980s Iran- , leverages deniability while amplifying Iran's reach without direct conventional deployments. Financial forms a foundational , with allocating billions annually to proxies despite domestic economic constraints. Hezbollah in receives an estimated $700 million per year, sustaining its 150,000-rocket and political dominance. In , Houthi forces get $100-300 million annually, and infrastructure attacks. under the (PMF), such as and , receive supplemental alongside state salaries, totaling of millions to anti-Western and anti-Sunni operations. These transfers, often routed via or , operational while tying recipients to Iranian directives. Military assistance includes transfers and programs, transforming local groups into capable forces. The supplies advanced systems like ballistic missiles, , and explosively formed penetrators (EFPs); for instance, Houthis deployed Iranian-designed Quds-3 cruise missiles against Saudi targets starting in , while Iraqi PMF units used similar EFPs against U.S. forces post-2003. occurs at IRGC camps in or advisor teams—up to 5,000 Quds personnel in by 2015—imparting tactics from to operations, as seen in Hezbollah's 2006 war with and Fatemiyoun Brigade deployments in . In , post-2014 ISIS offensive, Quds advisors integrated Shia militias into a "resistance ," coordinating strikes via command structures. Operational extends through advisory embeds and , allowing real-time guidance without overt . Quds commanders, like Qasem until his , orchestrated actions from Baghdad bases, synchronizing attacks across fronts—e.g., simultaneous 2023-2024 drone strikes by Iraqi militias, Houthi Red Sea disruptions, and Hezbollah border clashes with Israel. Ideological via exported wilayat al-faqih and religious seminaries fosters , though empirical varies by incentives. This multifaceted approach has sustained Iran's deterrence but risks overextension, as setbacks dependencies.

Major Conflicts and Proxy Dynamics

Iraq and Post-2003 Shiization

The 2003 U.S.-led invasion of Iraq dismantled the Sunni-dominated Ba'athist regime under Saddam Hussein, which had suppressed the Shiite majority comprising approximately 60% of the population. This shift enabled Shiite political ascension through de-Baathification policies and the dissolution of the Iraqi army by the Coalition Provisional Authority, measures intended to purge Saddam loyalists but which alienated Sunnis and created opportunities for Shiite consolidation. Iranian influence surged in the ensuing vacuum, as Tehran exploited cross-border ties with Iraqi Shiite leaders exiled during Saddam's rule, providing financial, training, and advisory support via the Islamic Revolutionary Guard Corps' Quds Force. In the January 2005 parliamentary elections, the United Iraqi —a coalition of Shiite Islamist parties including the Supreme Council for the Islamic Revolution in Iraq () and the Dawa Party—secured 140 of 275 seats, forming the basis for Shiite-led governance. Subsequent December 2005 elections reinforced this dominance, with the retaining a . of Dawa served as from 2005 to 2006, followed by of the same party from 2006 to 2014, whose tenure emphasized Shiite empowerment but drew criticism for sectarian policies that marginalized Sunnis and deepened Iranian alignment, including frequent consultations with . Qasem Soleimani, commander of the until his 2020 death, played a pivotal role in organizing Shiite militias during this period, coordinating operations against U.S. forces and later , thereby embedding Iranian proxies within Iraq's security apparatus. The 2014 offensive prompted Ali al-Sistani's fatwa mobilizing volunteers, leading to the formation of the (PMF) in 2014–2017, which integrated over 100,000 fighters, many from Iran-backed groups like and . Though nominally under Iraqi control since 2016, PMF factions maintain operational , salaries from Baghdad's , and to , exemplified by attacks on U.S. assets and coordination with Iranian directives. Post-ISIS, Shiite political dominance persisted under prime ministers like (2014–2018) and subsequent leaders, but entrenched militia influence and corruption fueled Sunni disenfranchisement and protests, such as the 2019 uprising against systemic graft. Iranian , channeled through PMF political wings in , has hindered full militia disarmament or integration, perpetuating a where Shiite factions control key ministries and economic levers, often prioritizing Tehran's regional agenda over . This "Shiization" transformed Iraq from a Sunni-led into a Shiite-majority polity with theocratic undertones, inadvertently bolstering the Shia Crescent's core by aligning Baghdad's security and foreign policy with Iran's.

Syrian Civil War Involvement

Iran intervened militarily in the shortly after its outbreak in March 2011, deploying (IRGC) advisors to bolster the regime of President , whose Alawite-led government aligned with Tehran's Shia interests. The IRGC-Quds Force, commanded by until his death in 2020, coordinated ground operations, trained Syrian forces, and facilitated the recruitment of Shia militias from and to form defensive units around and other key areas. By 2012, Iran had established a command structure involving up to 10,000 IRGC personnel at peak, providing , drones, and intelligence support that proved decisive in reversing rebel gains. Hezbollah, Iran's Lebanese proxy, escalated its involvement from advisory roles in 2011 to direct combat by 2013, publicly acknowledging participation after the of Qusayr, where its fighters helped secure a strategic supply route linking to . Approximately ,000 Hezbollah militants were deployed across by mid-decade, focusing on protecting Shia shrines and Shia-populated border regions while combating Sunni rebels and . The group suffered heavy losses, with at least 865 fighters killed between September 2012 and February 2016, contributing to domestic Lebanese backlash but solidifying the Shia Crescent's overland axis from through and to the Mediterranean. Iraqi Shia militias, precursors to the Popular Mobilization Forces (PMF), began deploying to Syria in 2012 under Iranian auspices, with groups like Kata'ib Hezbollah and Asa'ib Ahl al-Haq providing thousands of fighters for offensives in Aleppo and Deir ez-Zor. These units, numbering up to 15,000 at times, operated alongside IRGC forces to secure eastern Syria against ISIS, enabling Iran to establish permanent basing and transit routes for arms to Hezbollah. Overall Iranian aid, including financial transfers estimated at $30-50 billion from 2011 to 2023, covered salaries for foreign fighters, oil shipments, and reconstruction tied to economic concessions, sustaining Assad's survival despite over 2,100 Iranian combat deaths by 2018. This proxy network exemplified Iran's forward defense doctrine, prioritizing regime preservation over minimal direct exposure of regular forces.

Lebanon, Yemen, and Other Fronts

In , functions as Iran's most entrenched proxy, established in the early with direct Iranian assistance following Israel's . provides with an estimated $700-800 million in , alongside advanced weaponry including precision-guided missiles and drones, allowing the group to amass an of over 150,000 rockets that exceeds the Lebanese state's capabilities. This has enabled to 's Shia political bloc, decisions, and regionally, including deploying up to fighters to Bashar al-Assad's forces in from onward, sustaining over 1,600 deaths in that theater. While maintains operational autonomy—prioritizing local survival and deterrence against over strict Iranian directives—its alignment with Tehran's "Axis of Resistance" framework underscores causal dependence on Iranian logistics for sustained militancy. Hezbollah's cross-border activities have escalated tensions, notably in the , where Iranian-supplied rockets inflicted significant damage on northern , and in ongoing exchanges since October 2023, with over 8,000 attacks launched by September 2024, displacing 60,000 Israelis and prompting Israeli strikes that degraded Hezbollah's leadership, including the assassination of on , 2024. These illustrate proxy for : deniable without , though Hezbollah's entrenchment in Lebanese —controlling ministries and welfare —has fueled domestic backlash, contributing to Lebanon's 2019 and political . Empirical assessments from U.S. confirm 's in smuggling arms via , with seizures revealing components traceable to Iranian firms, countering denials from . In Yemen, the Iran-backed Houthis (Ansar Allah), a Zaydi Shia movement, seized Sanaa in September 2014, consolidating control over northwest territories comprising 70% of Yemen's population and key ports. Iran supplies the Houthis with ballistic missiles, cruise missiles, and unmanned aerial vehicles (UAVs), including variants of the Quds-2 drone and Burkan ballistic series, as documented by UN Panel of Experts reports on intercepted shipments bearing Iranian serial numbers and technical designs. This aid, channeled through smuggling networks via Oman and the Persian Gulf, has enabled Houthi strikes on Saudi infrastructure—over 200 attacks from 2015-2019, including the Abqaiq oil facility hit on September 14, 2019, which halved Saudi output temporarily—and maritime disruptions, with ballistic missiles reaching 2,000 km ranges. Houthi capabilities, while demonstrating local adaptation (e.g., reverse-engineering Iranian tech for domestic production), remain reliant on Tehran for high-end components, with U.S. naval interceptions in 2016 yielding missile parts directly matching Iranian stockpiles. Houthi actions intensified post-October 2023, with over 100 attacks on commercial shipping through March 2025, sinking two vessels, seizing another, and killing four sailors, primarily targeting Israel-linked ships in professed solidarity with but disrupting 15% of via al-Mandeb. These operations, employing Iranian-derived anti-ship ballistic missiles like the Noor, prompted U.S.-led strikes, yet Houthi —firing 400+ projectiles by mid-2024—highlights for to coerce de-escalation and challenge U.S. naval presence without risking assets. -Houthi ceasefires since reflect , but Iranian sustainment perpetuates low-level , with Yemen's (21 million in need by ) exacerbating entrenchment. Peripheral fronts include Bahrain, where Shia communities (comprising 60-70% of citizens) have staged protests since 2011, with Iranian state media and IRGC-linked networks accused of funding militants like the Saraya al-Ashtar cell, responsible for bombings killing three officers in 2014. Evidence from Bahraini and U.S. designations traces finances to Qods Force operatives, though scale remains modest compared to Hezbollah or Houthis, limited by Saudi intervention and Sunni monarchy suppression. In Afghanistan, Iran recruits Shia Hazara for the Fatemiyoun Brigade—up to 20,000 fighters deployed to Syria since 2014, paid $500-800 monthly—extending influence amid Taliban Sunni dominance, while in Nigeria, the Islamic Movement in Nigeria (IMN) receives alleged Iranian training and arms, clashing with security forces in 2015 and 2018, killing dozens. These outposts demonstrate Iran's opportunistic Shia mobilization but lack the territorial cohesion of core Crescent nodes, serving more as ideological outriders than integrated fronts.

Geopolitical Counterresponses

Sunni States' Perspectives and Alliances

Sunni Arab states, particularly Saudi Arabia and the United Arab Emirates (UAE), perceive the Shia Crescent as a strategic encirclement orchestrated by Iran, extending from Tehran through Iraq, Syria, and Lebanon to the Mediterranean, with extensions into Yemen, threatening their security and regional dominance. This view frames Iranian influence as an ideological and sectarian project to mobilize Shiite populations against Sunni-majority governments, exacerbating historical rivalries rooted in the 1979 Iranian Revolution's export of revolutionary zeal. Saudi leaders have explicitly described it as a "nightmare" scenario, prompting military and diplomatic countermeasures to prevent the consolidation of a contiguous Shiite-dominated corridor. In response, established the (IMCTC) in 2015, comprising 41 predominantly Sunni member states aimed at combating terrorism but effectively targeting Iran-backed militias and proxies. The coalition excludes Shia-led , , and , focusing on joint exercises, sharing, and capacity-building to counter asymmetric threats from groups like and the , with headquarters in and operations emphasizing ideological drivers of extremism. and the UAE have participated actively, aligning with Saudi efforts to bolster Sunni cohesion against Iranian expansion in —where a Saudi-led began in 2015 to support the against Houthi advances—and in , where they backed anti-Assad rebels to disrupt the Iran-Russia axis. The Abraham Accords, signed on September 15, 2020, between Israel, the UAE, Bahrain, Sudan, and Morocco, represent a pivotal Sunni-Israeli alignment to erode the Shia Crescent's periphery, providing economic and security incentives for normalization while isolating Iran diplomatically. Saudi Arabia, though not a formal signatory, tacitly supported the framework, viewing it as a bulwark against Iranian proxies in Lebanon, Syria, Iraq, and Yemen by fostering intelligence cooperation and technological exchanges that undermine Tehran's land bridge ambitions. Turkey, a Sunni power with its own regional ambitions, has countered Iranian influence through interventions in Syria since 2016, supporting Sunni factions against Assad's regime and Kurdish forces indirectly aligned with Iran, while pursuing reconciliation with Egypt and the UAE to broaden anti-Iran coordination. These alliances reflect a pragmatic Sunni consensus on containing Iran, though tempered by intra-Sunni rivalries—such as Turkey's sympathies clashing with UAE-Egypt opposition—and recent de-escalations, including Saudi-Iran brokered by in March 2023, which some now frame as balancing rather than neutralizing the threat. Nonetheless, persistent Houthi attacks on Saudi until 2022 and Iranian entrenchment in underscore the enduring Sunni prioritization of deterrence through multilateral pacts over unilateral .

Western and International Reactions

The United States has consistently viewed the Shia Crescent as a manifestation of Iranian revisionism aimed at undermining regional stability, exporting revolutionary ideology, and threatening allies like Israel and Sunni Gulf states. Following the 2003 Iraq invasion, which inadvertently empowered Shia militias aligned with Iran, U.S. policy shifted toward containment, including the 2007 designation of Iran's Islamic Revolutionary Guard Corps (IRGC) Quds Force as a terrorist entity and subsequent sanctions targeting its proxy networks. Under the Trump administration, a "maximum pressure" campaign intensified, culminating in the 2020 targeted killing of Quds Force commander Qasem Soleimani, credited with orchestrating proxy expansions across Iraq, Syria, and Yemen, to disrupt command structures and deter attacks on U.S. forces. The Biden administration maintained sanctions while conducting defensive airstrikes against Iran-backed militias in Iraq and Syria, such as those responsible for over 150 attacks on U.S. bases since October 2023, reflecting a pragmatic balance between deterrence and avoiding escalation. These measures, supported by bipartisan congressional resolutions, prioritize degrading Iran's "axis of resistance" through arms interdictions and partnerships like the Abraham Accords to isolate Tehran. European responses have emphasized diplomatic over , often prioritizing non-proliferation via the 2015 (), which critics argue overlooked Iran's entrenchment in and by delinking restraint from regional . The has imposed targeted sanctions on IRGC entities for abuses and to proxies, but has been uneven, with reluctance to fully align on extraterritorial to economic ties with Iran. Post-JCPOA U.S. in 2018, EU efforts like INSTEX aimed to sustain trade but faltered amid Iran's breaches, including uranium enrichment surpassing deal limits by 2021, prompting renewed calls for a comprehensive strategy addressing ballistic missiles and proxy financing. Individual states like France and Germany have voiced concerns over Hezbollah's networks, leading to asset freezes, yet broader policy remains cautious, influenced by energy dependencies and multilateralism that has yielded limited leverage against Iran's sectarian outreach. Israel perceives the Shia Crescent as an existential , prompting preemptive military actions against Iranian entrenchment, including hundreds of airstrikes in since 2013 targeting weapons transfers to and IRGC infrastructure. Operations like the 2018 of Iran's underscored Tehran's , justifying sabotage of supply lines and assassinations of key figures, such as linked to . These efforts, coordinated tacitly with the U.S., have degraded 's capabilities, as evidenced by the 2024 elimination of much of its senior command, disrupting the from to the Mediterranean. Internationally, reactions have been fragmented, with the United Nations Security Council issuing resolutions condemning Iran's arms supplies to proxies in violation of sanctions, such as Resolution 2231 extending missile restrictions until 2023, though enforcement lapsed amid vetoes and non-compliance. Bodies like the IAEA have documented Iran's proxy-related nuclear materiel diversions, yet geopolitical divisions—exemplified by Russia's and China's opposition to Western drafts—have stymied cohesive action, allowing Iran's influence to persist despite condemnations of militia destabilization in Yemen and Iraq. Regional forums, including Gulf Cooperation Council statements, echo Western alarms but defer to bilateral U.S. alliances for implementation.

Controversies and Analytical Debates

Empirical Evidence for Cohesion

The cohesion of the Shia Crescent is demonstrated through the orchestration of operations across , , , and , enabling synchronized actions against shared adversaries like and . In , the , established in to , incorporate IRGC-aligned militias such as , whose integrates Iranian directives into frameworks, with PMF chairman coordinating directly with the IRGC. This facilitated offensives in 2014-2017, where , Iranian forces, and fighters converged under IRGC guidance to recapture territories like and from . In , Iran's deployment of IRGC-QF advisors and Shia militias from and provided critical support to the Assad , preserving a vital land corridor for arms transfers to ; estimates indicate Iran expended $30-50 billion in , including personnel rotations and battlefield coordination, from 2012 onward. contributed over 5,000 fighters at peak involvement, embedding with Syrian forces in operations around and , exemplifying integrated command structures that sustained regime control against rebel advances until late 2024. Financial interdependence further binds the network, with allocating billions annually to proxies; for instance, funding streams to and Iraqi militias have sustained rocket arsenals and camps, multi-front on , as seen in the of Resistance's coordinated and barrages following the October 7, 2023, . Joint operations in 2024, including Houthi-Iraqi militia s on targets and 's northern border salvos, reflect this unity, with IRGC facilitation ensuring tactical alignment despite logistical distances. Ideological alignment under the "Axis of Resistance" banner reinforces operational cohesion, uniting Twelver Shia entities like Iran and Hezbollah with Zaydi Houthis through anti-Israel and anti-Western rhetoric, as evidenced by shared participation in Tehran-hosted conferences where PMF representatives aligned with Hezbollah and Hamas on strategic goals. While doctrinal differences exist—Houthis incorporating Twelver elements into Zaydism without full conversion—the pragmatic convergence on exporting Iran's revolutionary model has yielded empirical synchronization, such as Yemen's Red Sea disruptions complementing Lebanese rocket fire in 2023-2024. This framework's durability is underscored by sustained proxy resilience, with IRGC-QF visits to Iraq in 2025 reinforcing command chains amid regional pressures.

Criticisms of Overstatement or Myth-Making

Critics contend that the notion of a cohesive Shia Crescent under Iranian dominance constitutes a that obscures pragmatic interests and internal divisions among Shia , rather than reflecting empirical sectarian . Analyst Moshe Maoz argues that Shi'i communities, such as those in , prioritize enhancing their domestic status over forming a pan-Shi'i alliance led by , with Iraq's Shi'a potentially competing with Tehran for regional leadership in the . This fragmentation is evident in Iran's preference for a weak but unified Shi'i-dominated to avert threats like Kurdish separatism, underscoring national security calculations over ideological cohesion. In , the absence of a monolithic Shia bloc challenges claims of Iranian orchestration; rivalries persist between factions led by figures such as former and cleric , while parliamentary alliances have included over 100 Sunni-Shi'a members cooperating on shared platforms. 's involvement in appears defensive, rooted in historical animosities from the 1980-1988 , rather than expansive control, with a of poll indicating only 11% of perceived as a major threat. Similarly, in , Hezbollah's influence remains contested and non-dominant within the Shia community and government structure, limiting any seamless extension of Iranian authority. Syria's in the is further problematized, as the Alawite-led regime under maintains alliances driven by mutual opposition to and threats, not strict doctrinal with predominant in and . and Syria's destabilization efforts in post-2003 , which undermine Iraqi Shi'a to counter U.S. presence, exemplify how state pragmatism overrides sectarian solidarity. elites' portrayal of the as an ideological exporting ignores these , framing inter-Arab competitions as exaggerated Iranian-Arab sectarian . The overstatement serves political ends, including Sunni monarchs' against reformist pressures and Western rationales for bolstering authoritarian allies amid fears of . Quantitative assessments reinforce this, depicting the Crescent as a construct lacking interstate institutionalization or unified command structures. Such critiques highlight that while exerts through proxies, divergent local agendas and of mixed-sect states prevent the of a contiguous, ideologically driven bloc.

Recent Developments and Future Prospects

Setbacks from 2023 Onward

The , 2023, attack on Israel, which killed approximately ,200 people and led to the abduction of 251 hostages, initiated a series of responses that severely degraded Iran's proxy across the Shia Crescent. Israel's subsequent in dismantled much of Hamas's , with the (IDF) assessing by 2024 that Hamas had been as a conventional force in the territory, reducing it to a guerrilla entity operating from tunnels and remnants. By , following a U.S.-brokered ceasefire, Israel maintained control over more than 75% of , with Hamas's governance and operational capacity shattered, marking a profound loss for the axis despite persistent low-level resistance. Hezbollah's involvement escalated border clashes into full-scale conflict by mid-2024, resulting in the deaths of an estimated 4,000 to 5,000 Hezbollah fighters and commanders, alongside the destruction of 50-67% of its munitions stockpile through Israeli airstrikes and ground operations. Key leadership losses included the assassination of secretary-general Hassan Nasrallah on September 27, 2024, which decapitated command structures and eroded operational cohesion. A November 26, 2024, ceasefire compelled Hezbollah to withdraw forces north of the Litani River, exposing vulnerabilities in Iran's deterrence strategy and isolating Lebanon from broader axis coordination. The most strategically devastating blow occurred with the rapid collapse of Bashar al-Assad's regime in during December , when opposition forces led by overran , forcing Assad's flight and ending years of Iranian-backed . This severed Iran's overland supply route to Hezbollah, dismantling extensive IRGC and militias that had sustained the crescent's since , with evacuating nearly all personnel amid the . eliminated a critical , compelling to confront vulnerabilities without the of Syrian for transfers and forward basing. In Yemen, Houthi disruptions of Red Sea shipping from November 2023 prompted sustained U.S. and allied airstrikes starting January 2024, which reduced ballistic missile launches by 69% and drone attacks by 55% by mid-2025, though the group retained resilience through Iranian resupply and adapted tactics. Collectively, these reversals—from Hamas's territorial expulsion, Hezbollah's attrition, and Syria's forfeiture—significantly contracted the Shia Crescent's scope, diminishing Iran's regional projection and exposing the axis's overreliance on asymmetric proxies amid superior conventional responses.

Potential Long-Term Trajectories

The fall of the Bashar al-Assad regime on December 8, 2024, severed Iran's contiguous "Shia Crescent" land corridor from Tehran to the Mediterranean, marking a structural fracture in its regional proxy network. This event, compounded by the degradation of Hezbollah following the killing of its leader Hassan Nasrallah in September 2024 and Israel's subsequent military operations, has compelled Iran's "Axis of Resistance" proxies to prioritize local survival over coordinated expansion. Analysts assess that without Syrian territory as a logistical bridge, Iran's ability to resupply groups like Hezbollah or influence Lebanese politics diminishes sharply, potentially confining Tehran's leverage to maritime or air-based channels vulnerable to interdiction. One trajectory envisions accelerated fragmentation of the , with proxies reverting to parochial agendas amid resource constraints and domestic backlash. In Iraq, Shia militias have floated partition schemes to consolidate southern strongholds, signaling disillusionment with Iran's overarching amid economic from sanctions and U.S. strikes. Yemen's , while persistent in Red Sea disruptions, face isolation as Saudi-led coalitions and U.S. naval patrols erode their operational tempo, with projections indicating limited scalability without Iranian replenishment. This devolution could manifest as intra-Shia rivalries, evidenced by historical precedents like the post-2003 Iraqi factionalism, where ideological unity yielded to power struggles. Conversely, may pursue adaptive through or asymmetric diversification, though empirical setbacks temper for . Tehran's 2025 strikes by highlighted vulnerabilities in its deterrence , prompting internal debates on proxy retrenchment versus direct confrontation. Long-term modeling suggests that sustained economic —exacerbated by non-compliance with FATF standards—could proxy at pre-2023 levels, forcing a to or ideological rather than territorial . Yet, causal linkages from recent losses indicate low probability of reconstitution, as Sunni-led Syrian under Tahrir al-Sham rejects Iranian footholds, potentially catalyzing a "Sunni revival" axis anchored by Turkey and Gulf states. Regional realignments could entrench this decline, with expansions and Jordanian-Azerbaijani pacts encircling residual Iranian outposts. Projections for 2030 posit a multipolar where Iran's contracts to core Shia demographics, absent major geopolitical ruptures like U.S. withdrawal from deterrence roles. This outcome aligns with trends: proxy attrition rates exceeding 50% in Syria-Lebanon theaters since October 2023, per operational assessments.

References

  1. [1]
    Iran and the Shiite Crescent: Myths and Realities - Belfer Center
    A Shiite crescent is seen by the Arab Sunni elites as an attempt by Iran firstly to engage the masses in the region; secondly, to build an ideological belt.
  2. [2]
    Iran Grapples with the Collapse of the Shia Crescent
    Dec 23, 2024 · Iran's aspirations to regional hegemony center on the “Shia Crescent,” a vital land route that connects Iran to the Mediterranean via Iraq, Syria, and Lebanon.
  3. [3]
    The Collapse of Iran's Shiite Crescent: A Crossroads for the Middle ...
    Jan 15, 2025 · The term “Shiite Crescent” was reportedly first coined by King Abdullah II of Jordan in 2004, describing a region from Iran through Iraq, Syria ...
  4. [4]
    Understanding the 'Shiite Crescent' as Iranian Grand Strategy
    Oct 17, 2022 · The key ingredient is the projection of power through covert action in unconventional operational theatres, such as Lebanon, Syria, Iraq, Yemen, ...
  5. [5]
    The Collapse of Iran's Shia Crescent, What's Next?
    The peripheries of the Crescent extend to parts of the Middle East where there is Shia presence or dominance, including areas of Yemen, Bahrain, Iran, Iraq, ...
  6. [6]
    Syria: fall of Assad a blow for Iran's 'Shia crescent' | News and events
    Dec 12, 2024 · Iran seized the opportunity to transform Syria into a pivotal state within the so-called “Shia crescent”: a cross-border region predominantly inhabited by Shia ...
  7. [7]
    [PDF] Shiite Crescent« over the Greater Middle East Is
    Mar 25, 2008 · Abdullah II of Jordan in December 2004 in an interview with ... shifted the emphasis: To talk of a Shia crescent is too simplistic from a.Missing: exact speech
  8. [8]
    Fear of a Shia full moon | World news | The Guardian
    Jan 26, 2007 · Late in 2004, King Abdullah of Jordan coined a controversial phrase ... "It's true to talk of a Shia crescent, but the phrase didn't have a ...
  9. [9]
    Syria & Sectarianism: Drivers (Part I) - Atlantic Council
    Oct 18, 2013 · The Shia crescent is a term that King Abdullah of Jordan coined in 2004 in the aftermath of the US-led invasion of Iraq and removal of ...
  10. [10]
    The Shia Crescent: Propaganda in a Time of Rising Regional Tension
    Jun 14, 2018 · The Shia Crescent: Propaganda in a Time of Rising Regional Tension ... Jordan's King Abdullah is credited with coining the phrase Shia or Shiite ...Missing: coined | Show results with:coined
  11. [11]
    The 'Shia Crescent' And Middle East Geopolitics
    To Shias, it is nothing but a battle against terrorism. The “Shia crescent” brings the violence of the Sunni-Shia battles into our daily lives in new, ...Missing: definition origin
  12. [12]
    The Myth of the Shia Crescent by Michael Bröning - Project Syndicate
    May 20, 2008 · The notion of a Iranian-backed “Shia crescent” is being used to perpetuate unconditional Western support for increasingly unstable regimes.Missing: implications | Show results with:implications
  13. [13]
    Iran's 'Shia Crescent' Ambitions Crushed: A New Chapter in Middle ...
    Dec 18, 2024 · In a 2004 speech, Jordan's King Abdullah II coined the term “Shia Crescent,” warning of Iran's expansionist ambitions and its destabilization ...
  14. [14]
    The Origins Of The Shiite-Sunni Split : Parallels - NPR
    Feb 12, 2007 · Shiites predominate where there is oil in Iran, in Iraq and in the oil-rich areas of eastern Saudi Arabia as well. Enlarge this image. Shiite- ...
  15. [15]
    Sunnis and Shias: What's the story? - BBC Teach
    Of these, some 5% are Shia, the rest are Sunni. The historical split occurred 1400 years ago, following the death of Muhammad in Medina, in modern day Saudi ...A Question Of Leadership · Sources Of Tension · Iraq
  16. [16]
    The Evolution of Iran from Sunni to Shia Islam - IslamiCity
    Sep 1, 2024 · Shah Ismail, the founder of the Safavid Empire, initiated a campaign to convert Persia from Sunni to Shia Islam.
  17. [17]
    From Sunni to Shi'i: Iran's Sectarian Legacy - Islamic History
    Jun 22, 2024 · For most of its Islamic history, the land of Iran was majority Sunni. The Shi'i Safavids, who took control of Iran in 1501, changed this forever.
  18. [18]
    Who Are the Shia? - History News Network
    The Shia constitute about 60 percent of the population of Iraq, mostly in the south upwards to Baghdad. They are hankering for the political and economic power ...
  19. [19]
    Shia Muslims in the Mideast | Council on Foreign Relations
    Shiites make up strong majorities in Iran (90 percent), Bahrain (75 percent), and Iraq (close to 60 percent); Lebanon, too, is primarily Shiite.
  20. [20]
    Middle East FAQs Volume 1: What is the Shia Crescent?
    Jan 17, 2018 · A land bridge that connects Iran through Iraq to Syria, Lebanon, to the Israeli border at Golan. This is what's called the Shia Crescent.Missing: used | Show results with:used
  21. [21]
    Shia Population by Country 2025
    Who Are Shia (Median). Esimated Median Shia Population. 0. 10M. 20M. 30M. 40M. 50M. 60M. 70M. Iran Flag · Iran. 68,000,000. Pakistan Flag · Pakistan. 21,500,000.
  22. [22]
    [PDF] Estimated Percentage Range of Shia by Country
    Estimated Percentage Range of Shia by Country. Afghanistan. 10 - 15. ~2. Albania ... Population, October 2009. Shia by Country (cont.).Missing: Crescent core
  23. [23]
    The Sunni-Shia Divide | Council on Foreign Relations
    ... demographic distribution of Islam's sects. Shias comprise a majority in Iran, Iraq, Azerbaijan, and Bahrain, and a plurality in Lebanon, while Sunnis make ...
  24. [24]
    Alawites Under Threat in Syria? - The Washington Institute
    Dec 31, 2024 · Alawism is often classified as a heterodox version of Shia Islam ... Alawites were not formally recognized as Muslims until 1932, when the ...
  25. [25]
    The Limits of Iranian Influence Among Gulf Shi`a
    The Shi`a remain a sizable minority in Kuwait (around 25%), a strategically located small minority (around 8%) in Saudi Arabia where they represent a third of ...
  26. [26]
    Iran's Islamist Proxies in the Middle East - Wilson Center
    Sep 12, 2023 · Iran has built a network of proxies across the Middle East. As of 2022, Tehran had allies among more than a dozen major militias, some with their own political ...
  27. [27]
    Iran's Regional Armed Network - Council on Foreign Relations
    Fighters from Shiite Muslim–majority countries such as Iraq and Lebanon compose Iran's main proxies, but groups from the Sunni-majority Palestinian territories, ...
  28. [28]
    Iran-Supported Groups in the Middle East and U.S. Policy
    Sep 26, 2024 · Iran has long backed a network of armed groups in the Middle East to advance its regional interests. These groups, which include US-designated Foreign ...
  29. [29]
    Hezbollah, Hamas, and More: Iran's Terror Network Around the Globe
    Jun 13, 2025 · Here's a primer on more than a dozen proxy terror groups that have taken their orders from the Iranian regime, threatening civilian lives around the world.
  30. [30]
    https://www.aei.org/research-products/report/the-state-of-the-axis-of-resistance-assessing-risks-and-opportunities-for-the-united-states/
  31. [31]
    Iran's Proxies: Entrenching the Middle East | IDF
    Iran has several terror proxies across the Middle East including: Hezbollah in Lebanon, Hamas and Islamic Jihad in the Gaza Strip, Shi'ite militias in Syria ...
  32. [32]
    The Deafening Silence Of Iran's Proxies - Critical Threats
    Jun 20, 2025 · Iranian proxy and partner militias appear either unable or unwilling to support Iran in any serious way. Hezbollah and Hamas are probably unable.<|separator|>
  33. [33]
    [PDF] Three Decades of Iran's Policy of Exporting the Islamic Revolution
    The principal targets of the export of the revolu- tion have consisted of four major geographic areas: the Persian Gulf, the Caucasus and Central Asia, the ...
  34. [34]
    Iran's playbook in the Arab world: Ideology or domestic politics?
    Oct 24, 2022 · Second and as a result, the country should develop loyal enclaves in the Middle East, particularly among the Shi'a, not only to “export the ...
  35. [35]
    Qassem Soleimani and Iran's Unique Regional Strategy
    One of the keys to its success has been a unique strategy of blending militant and state power, built in part on the model of Hezbollah in Lebanon. The ...
  36. [36]
    Qassim Suleimani, Master of Iran's Intrigue, Built a Shiite Axis of ...
    Sep 24, 2025 · The commander helped direct wars in Iraq, Syria, Lebanon and Yemen, and he became the face of Iran's efforts to build a regional bloc of Shiite power.Missing: Shia | Show results with:Shia
  37. [37]
    III. Soleimani Ascendant: The Origins of Iran's “Forward Defense ...
    Iran's proxy warfare strategy of using regional non-state militant groups paralleled Qassem Soleimani's rise as a military commander during the 1990s.Missing: Qasem | Show results with:Qasem
  38. [38]
    Iran's Evolving Strategy in Eastern Syria | The Washington Institute
    Jul 18, 2024 · Iran's strategy in Syria is multilayered, including military, political, economic, sectarian, and cultural strategies.
  39. [39]
    Iran's Multifaceted Foreign Policy
    Then, it sought to export the Islamic Revolution throughout the Middle East, by violence if necessary—but today, the elite has adopted a more defensive and ...Missing: goals | Show results with:goals
  40. [40]
    (Mis) Understanding Iran's Foreign Policy from Washington
    Sep 12, 2025 · According to the CIA, “The revolutionary leadership believes that if Iran fails to export its revolution, the country will be isolated in an ...
  41. [41]
    The Islamic Revolutionary Guard Corps (IRGC)
    In the ensuing Israel-Hamas conflict, the IRGC has provided arms and other assistance to help its partners in Iraq, Lebanon, Syria, and Yemen attack Israeli ...Introduction · How is the IRGC organized? · What is the IRGC's foreign...
  42. [42]
    War by Proxy: Iran's Growing Footprint in the Middle East - CSIS
    Mar 11, 2019 · The IRGC-QF has its roots in irregular warfare. The Iran-Iraq War (1980-1988) was a major turning point in Iran's military doctrine, since ...<|separator|>
  43. [43]
    Houthis & Iran | Wilson Center
    Jul 26, 2024 · The combined value of Iran's annual support may amount to $100 to $300 million, according to Juneau.Missing: PMF | Show results with:PMF
  44. [44]
    Country Reports on Terrorism 2021: Iran - U.S. Department of State
    In Iraq, Iran supported various Iran-aligned militia groups in 2021, including the U.S.-designated terrorist groups Kata'ib Hizballah (KH), Harakat al-Nujaba, ...
  45. [45]
    Iran's Revolutionary Guard Deployed in Yemen
    Jan 15, 2024 · The IRGC, through its overseas Qods Force, has also overseen the transfer to the Houthis of the attack drones, cruise missiles, and medium ...
  46. [46]
    The Quds Force in Syria: Combatants, Units, and Actions
    Jun 4, 2023 · The key mission of the Quds Force of the Revolutionary Guards (IRGC) is to defend the Iranian Islamic Revolution and create armed militias.
  47. [47]
    [PDF] Containing Shiite Militias: The Battle for Stability in Iraq
    2 Many have fought both Western coalition forces and the Iraqi army in the past. Along with their sectarian discourse, and the substantial support they receive ...
  48. [48]
    [PDF] Iran's Nuclear Weapons Capability and Terrorism Monitoring Act of ...
    Iran continues to provide aid to a number of affiliated groups, including Lebanese. Hizballah; Huthis in Yemen; Shia militant groups in Iraq, Syria, and the ...
  49. [49]
    Iran's Foreign Policy | The Washington Institute
    The Iranian model of creating and supporting proxy groups is consistent across the “Shia Crescent,” but recently Tehran has begun employing new and troubling ...
  50. [50]
    How the Iraq War Has Empowered Iran - Brookings Institution
    Mar 21, 2008 · Five years into war in Iraq, Suzanne Maloney assesses the changed and growing relationship between Iraq and Iran. She concludes that Iran's ...Missing: Shiite | Show results with:Shiite
  51. [51]
    Part 1: Iran's Role in Iraq | Wilson Center
    Apr 26, 2018 · Iran has emerged as the most influential foreign player in Iraq since US-led forces toppled Saddam Hussein's regime in 2003.
  52. [52]
    Shiites Win Slim Majority in New Iraqi Parliament | PBS News
    Feb 17, 2005 · The United Iraqi Alliance, a coalition of mostly Shiite Islamist religious parties, gained 140 seats in the 275-seat National Assembly.
  53. [53]
    Shiite Alliance Wins Iraq Election - CBS News
    Jan 22, 2006 · Sunni Arabs gained seats over the previous balloting. Safwat Rasheed, an election official, announced that the Shiite United Iraqi Alliance ...
  54. [54]
    Iran's Involvement in Iraq | Council on Foreign Relations
    Iranian influence is most prevalent in Baghdad, the Kurdish areas of the north, and Shiite areas in the south. Further, Iranian agents appear to be supplying ...
  55. [55]
    Shia Militias in Iraq, Syria, and Lebanon Post-Soleimani
    Jan 30, 2020 · The late Qods Force chief Qasem Soleimani played a special role within Iran's influence-wielding enterprise. He was uniquely close to the ...
  56. [56]
    The Popular Mobilization Force is turning Iraq into an Iranian client ...
    Feb 2, 2024 · The Popular Mobilization Force, with Iranian backing, hopes to drive the United States out of Iraq as the war in the Gaza Strip unfolds.
  57. [57]
    If Iraq Passes the New PMF Law, the U.S. Response Should Be ...
    Aug 4, 2025 · Despite being funded by the Iraqi state, these terrorist PMF factions are loyal to Iran and remain intently dedicated to expelling U.S. troops ...<|separator|>
  58. [58]
    Iraq as It Is: America Can Help the Country, Despite Iranian Influence
    Sep 27, 2023 · Iraq as It Is Foreign Affairs · Newsletters · Log In · Log In · Subscribe ... After all, the U.S. troop presence in Iraq has been declining for ...
  59. [59]
    Syria, Iran, and the Mideast Conflict - Council on Foreign Relations
    The alliance dates back to the early-to mid-1970s, when conflict and rivalry arose between then-Syrian President Hafez al-Assad's version of Baathism and Saddam ...
  60. [60]
    Iran's Unwavering Support to Assad's Syria
    Syria has been Tehran's only consistent ally since the 1979 Islamic revolution. Whereas the rest of the Arab world supported, and in some cases bankrolled, ...
  61. [61]
    [PDF] Iran's Military Interventions: Patterns, Drivers, and Signposts - RAND
    factors as they relate to two detailed case studies: (1) Iran's involvement in the ongoing Syrian civil war and (2) Iran's post-2014 intervention in. Iraq to ...<|separator|>
  62. [62]
    [PDF] IRAN ENTANGLED - Combating Terrorism Center
    Finding 3: During the Syrian civil war, training, funding, weapons provisions, and joint attacks were among the most common types of support provided by Iranian ...
  63. [63]
    What Is Hezbollah? | Council on Foreign Relations
    The Iran-backed Shiite militia was considered the most powerful non-state group in the Middle East, but an Israeli military campaign against Hezbollah in ...Introduction · Who was Hezbollah's leader... · What is Hezbollah's military...
  64. [64]
    Hezbollah Fatalities in the Syrian War | The Washington Institute
    Feb 22, 2016 · At least 865 Hezbollah fighters were killed in combat in Syria between September 30, 2012, and February 16, 2016.
  65. [65]
    [PDF] The Leadership and Purpose of Iraq's Popular Mobilization Forces
    Iranian-backed Iraqi militias fighting in Syria in the early 2010s to support Syrian President Bashar al. Assad's regime.[40] Iraqi activists have also ...
  66. [66]
    [PDF] THE ROLE OF IRAN IN THE SYRIAN CIVIL WAR
    Most sources claim that the force has at least 3,000 members, while other sources claim that the real number ranges up to 15,000. The force is divided by a ...
  67. [67]
    How Iran Lost Syria - Foreign Affairs
    Dec 23, 2024 · Since 2011, Tehran has spent somewhere between $30 billion and $50 billion on military aid, oil transfers, and logistical support to Syria.
  68. [68]
    How and Why the Russian-Iranian-Hezbollah Axis Has Won the War ...
    5 May 2019 · In March 2018, it was revealed that some 2,100 Iranians have been killed in Syria and Iraq. Iran's celebrity general Qassem Soleimani and his ...
  69. [69]
    Hezbollah Finances: Funding the Party of God
    Feb 13, 2005 · Matthew Levitt contributed this paper to the project "Terrorism Financing and State Responses in Comparative Perspective," sponsored by the ...
  70. [70]
    Lebanon: How Israel, Hezbollah, and Regional Powers Are Shaping ...
    Iran. Iran's primary influence on Lebanon has come through its enduring support for Hezbollah, which since the 1980s has pushed pro-Iran policies in the ...
  71. [71]
    Escalating to War between Israel, Hezbollah, and Iran - CSIS
    Oct 4, 2024 · Hezbollah played a major role in Israel's 1985 decision to withdraw to a buffer zone on the Lebanese border and its 2000 decision to withdraw ...
  72. [72]
    Iran's Support of the Houthis: What to Know
    For the Houthis, the Iran connection provides more sophisticated weaponry than they could acquire on their own, especially missiles and drones. Iranian support ...
  73. [73]
    The UN Exposes Houthi Reliance on Iranian Weapons
    Feb 13, 2020 · According to the panel report, the Houthis continue to receive off-the-shelf parts for their drones and missiles via a network of intermediaries ...
  74. [74]
    Credible evidence for Iran arming or funding the Houthi movement ...
    Dec 8, 2018 · US Navy Seals boarded a boat heading for Yemen and seized Iranian-made missile components and other weaponry bound for Houthi forces, in an ...
  75. [75]
    Houthi Shipping Attacks: Patterns and Expectations for 2025
    Dec 16, 2024 · Phase 1: Attacks focused on missiles launched toward Israel starting in October 2023 with the Gaza war and on Israel-linked ships in the Red Sea ...
  76. [76]
    [PDF] Iran: Enabling Houthi Attacks Across the Middle East
    Iranian Weapons Equip Houthis To Attack Regional Infrastructure, Global Commerce. UAV Systems. Houthi UAV Threat Growing With Iranian Support......... Sayad ( ...
  77. [77]
    Iran's Role in the Yemen War: Real Influence and Regional Gains
    Apr 19, 2024 · Iran has supplied the Houthis with drones and cruise missiles,36 enabling them to threaten ships passing through the Bab el-Mandeb Strait, ...
  78. [78]
    “State Sponsors of Terrorism: An Examination of Iran's Global ...
    Iran and Hezbollah made at least three documented attempts to support, plot, or conduct terror attacks on U.S. soil in recent years--these are discussed in the ...
  79. [79]
    [PDF] Iran's Proxy Network: The Role of Hamas, Hezbollah, and the ...
    Jul 9, 2025 · Among the most prominent examples of this phenomenon is Iran's support for non-state armed groups such as Hezbollah in Lebanon, Hamas in Gaza, ...
  80. [80]
    [PDF] Iran and The Shiite Crescent: - Myths and Realities - Belfer Center
    Iran's regional policies have always been affected by two significant elements, namely its geopolitical reality and its ideol- ogy. Geopolitical considerations ...
  81. [81]
    Saudi Arabia And The UAE Heat Up Their Arms Race With Iran
    Saudi Arabia remains convinced that its nightmare, a “Shiite Crescent” stretching from Tehran to the Mediterranean, passing through Iraq, Syria, and Lebanon, ...
  82. [82]
    The Islamic Military Counter Terrorism Coalition
    Islamic Military Counter Terrorism Coalition, © All Rights Reserved 2025. ×. Voice Instructions. mic. This feature enables you to sent voice commands to the ...Brief History · Military · Military Commander · Drivers of TerrorismMissing: led | Show results with:led
  83. [83]
    Country Reports on Terrorism 2021: Saudi Arabia - State Department
    Saudi Arabia · G-20 · GCTF · Gulf Cooperation Council · Islamic Military Counter Terrorism Coalition · Organization of Islamic Cooperation · UN Counterterrorism ...
  84. [84]
    Putting Diplomacy First in the Middle East: Creating Incentives for ...
    May 30, 2023 · The conflict in Yemen pitted Saudi Arabia and the UAE backing the Yemeni government against Iran backing the Houthi rebels. In Bahrain, Saudi ...
  85. [85]
    The Abraham Accords and the Geopolitical Storm over the Red Sea
    Apr 1, 2025 · Their broader goal is the erosion of Iranian influence in Syria, Lebanon, Iraq, and Yemen, thereby dismantling the so-called “Shia Crescent”.
  86. [86]
    The Abraham Accords Still Show the Way Forward
    Feb 15, 2024 · The specter of an ever-expanding, Iranian-backed Shia crescent has been enough for these two unlikely partners to thaw relations over the past ...
  87. [87]
    Turkey - Middle East Battle Lines
    Turkey believes that Iran is attempting to position itself at the centre of a new Levantine order, spreading its influence into the Mediterranean through Iraq, ...
  88. [88]
    A New Two Pillar Policy in the Persian Gulf? - Stimson Center
    May 30, 2025 · Saudi leaders now consider Iran to be a counterbalance more than a threat.
  89. [89]
    The Gulf states in a fluid post-war Middle East
    Aug 6, 2025 · The Saudis and the UAE, the two Gulf states traditionally most antagonistic toward Iran, have changed their tune on their Persian neighbor in ...
  90. [90]
    [PDF] The Sunni and Shiite Axes in the Middle East - INSS
    One of the defining characteristics of the Middle East of recent years has been the worsening crisis between Iran and Saudi Arabia, and the efforts on.
  91. [91]
    Iran: Background and U.S. Policy - Congress.gov
    To advance its priorities, such as reducing U.S. regional influence, defending Shia communities in other countries, and projecting power, Iran has pursued a ...
  92. [92]
    Iran's Conflict With Israel and the United States
    Oct 3, 2025 · New U.S. Sanctions Target Iran​​ The U.S. Treasury sanctioned twenty-one entities and seventeen individuals for supplying Iranian forces with ...Missing: Shia | Show results with:Shia
  93. [93]
    Two “Axes” Converging in Iran | The Washington Institute
    Dec 23, 2024 · The axis of resistance also seeks a new order in the Middle East centered on establishing Iranian/Shia hegemony, removing the United States from ...
  94. [94]
    Fracturing the Axis: Degrading and Disrupting Iran's Proxy Network
    Sep 11, 2025 · The U.S. should also work with regional partners to create a coordinated approach to monitoring and curbing Iranian efforts to provide arms, ...
  95. [95]
    EU-Iran: Time to Revisit Assumptions and Strategize
    Oct 17, 2024 · The union must pursue a new strategy focused on containing Iran's regime, supporting Iranian civil society, and engaging with Gulf states.<|separator|>
  96. [96]
    Iran: EU widens restrictive measures in view of Iran support of the ...
    Nov 18, 2024 · The Council today decided to widen the scope of the EU framework for restrictive measures in view of Iran's military support to Russia's war of aggression ...Missing: response influence
  97. [97]
    Iran - Middle East, North Africa and the Gulf - European Commission
    The EU advocates for a balanced and comprehensive strategy towards Iran, emphasizing dialogue to tackle all points of concern, adopting a critical stance on ...
  98. [98]
    EU seeks to make Iran a responsible regional partner, foreign policy ...
    Oct 6, 2025 · The European Union aims to work with regional partners to encourage Iran to act as a responsible power in the Middle East, EU foreign policy ...
  99. [99]
    The Israel-Iran Conflict: Q&A with RAND Experts
    Jun 16, 2025 · Thanks to war in Gaza and Lebanon, Israel has dealt significant blows to Iran's proxy network, particularly Hezbollah. Moreover, back in ...
  100. [100]
    Experts react: Israel just attacked Iran's military and nuclear sites ...
    Jun 12, 2025 · Israel pledges additional attacks, but Iran will now be supremely motivated to sprint to a nuclear breakout at hardened, underground facilities.
  101. [101]
    Analysis: The role of Iraqi Shia militias as proxies in Iran's Axis of ...
    Jan 14, 2025 · Qassem Soleimani was head of Iran's Islamic Revolutionary Guards Corps-Quds Force (IRGC-QF) at the time. Soleimani encouraged a breakaway ...Missing: Qasem | Show results with:Qasem
  102. [102]
    The Leadership and Purpose of Iraq's Popular Mobilization Forces
    Mar 19, 2024 · The Popular Mobilization Forces (PMF) is an Iraqi state security service that Iran has infiltrated and uses to wield significant influence ...
  103. [103]
    Iran's Expanding Militia Army in Iraq: The New Special Groups
    ... Quds Force (IRGC-QF) works with in today's Iraq. Unlike previous militias that were tolerated and controlled by the state, the Special Groups are already ...
  104. [104]
    Why Did Iran Allow Bashar al-Assad's Downfall?
    Dec 9, 2024 · Over the past thirteen years, Iran has invested an estimated $30–50 billion in Syria, underscoring its unwavering commitment to ensuring the ...
  105. [105]
    How much money did Iran gamble on the Assad regime in Syria?
    Jan 24, 2025 · However, estimates and sources that spoke with The New Arab suggest the figure is between $30 billion and $50 billion. This estimate excludes ...Missing: 2011-2023 | Show results with:2011-2023
  106. [106]
    [PDF] Iranian Military Intervention in Syria: A New Approach - INSS
    The fundamental goal of Iranian military intervention in Syria has been to help the Assad regime extricate itself from the plight engulfing it since 2012 ...
  107. [107]
    Unraveling a Complex Web: A primer on Hamas funding sources ...
    Nov 1, 2023 · In all, Iran has spent billions of dollars, according to government estimates, to arm, train and fund groups like Hamas, Hezbollah, Palestinian ...
  108. [108]
    The shape-shifting 'axis of resistance' - Chatham House
    Mar 6, 2025 · He had operated the axis as a top–down organizational structure, with members taking direction from Tehran.Missing: Qasem | Show results with:Qasem
  109. [109]
    Spotlight on Iran and the Shiite Axis (November 27
    Dec 4, 2024 · On December 3, 2024, the Houthis' military spokesman Yahya Saria claimed responsibility for three joint attacks with the Islamic Resistance in ...
  110. [110]
    Down but Not Out: Reassessing the Axis of Resistance
    Mar 19, 2025 · As Israel broadened its assault on Gaza in the winter after the October 7 attacks, Kata'ib Hezbollah entered the fray on January 28, 2024 with a ...
  111. [111]
    The PMF Represents Iraq at the Axis of Resistance Conference in ...
    May 24, 2024 · Iraqi militias were nowhere to be seen at the Tehran conference, but an IRGC outlet described the PMF as appearing alongside Hezbollah, Hamas, the Houthis, and ...<|separator|>
  112. [112]
    How Iran's Islamic Revolution Does, and Does Not, Influence Houthi ...
    Feb 13, 2020 · Some Houthi adversaries have gone as far as alleging that the Houthis have converted to Twelver Shiism, seek to remodel Yemen along Iranian ...
  113. [113]
    Iran's Quds Force commander travels to Iraq ahead of Arab summit
    May 15, 2025 · The Quds Force commander is also in Iraq to discuss implementing a security agreement between Iraq and Iran.
  114. [114]
    The “Shi'i Crescent”: Myth and Reality - Brookings Institution
    Nov 30, 2007 · The “Shi'i crescent” is therefore largely a myth that masks important, but malleable state interests.Missing: criticisms Shia
  115. [115]
    [PDF] The Mythical Shia Crescent - USAWC Press
    Mar 1, 2008 · The most frequent objection to the idea of an emerging Shia Crescent with Iran as its dominant power is the fact that Iran is Persian, while the ...
  116. [116]
    (PDF) The Problem of the “Shiʻa Crescent” in the Middle East
    The idea is to unite the states of the Middle East, in which Shiʻa Muslims constitute the vast majority or a significant minority of the population, which would ...
  117. [117]
    These numbers show how 2 years of war have devastated ... - NPR
    Oct 7, 2025 · 7, 2023, killing some 1,200 people, mainly civilians, and taking 251 hostages back to Gaza. In response, Israeli leaders promised a punishing ...Missing: outcome | Show results with:outcome
  118. [118]
    As the ceasefire begins, a look at the Gaza war by the numbers - NPR
    Oct 13, 2025 · As this ceasefire begins, here are some key figures related to the war in Gaza and the Oct. 7, 2023, Hamas-led attack on Israel that sparked it.
  119. [119]
    Israel and Hamas Conflict In Brief: Overview, U.S. Policy, and ...
    Emanuel Fabian, "IDF assesses Hamas defeated militarily in all of Gaza, is now a guerrilla terror group," Times of Israel, September 27, 2024; "Israeli military ...Missing: outcome | Show results with:outcome
  120. [120]
    Gaza after two years: As Israel expands control and sows chaos ...
    After Israel unilaterally broke the ceasefire and resumed the war, the IDF swiftly expanded its footprint in Gaza, taking control of over 75% of the enclave and ...Missing: outcome | Show results with:outcome<|separator|>
  121. [121]
    What could the Israel-Gaza deal mean for the Middle East? | Brookings
    On October 8, 2025, Israel and Hamas agreed to a U.S. ceasefire proposal regarding the war in the Gaza Strip. Below, Brookings scholars reflect on the ...Missing: outcome | Show results with:outcome
  122. [122]
    Hezbollah said to estimate up to 4,000 fighters killed in war it initiated
    Nov 28, 2024 · From October 2023 until September 2024, Hezbollah named 521 members who were killed by Israel amid the fighting, mostly in Lebanon but some also ...
  123. [123]
    Hezbollah's Defeat and Hamas's Dogged Resistance: Israel's Two ...
    Feb 27, 2025 · Estimates suggest that by October 2024, Hezbollah had lost between one-half to two-thirds of its total munitions stockpile.
  124. [124]
    Why Hezbollah Fell | GJIA
    Mar 31, 2025 · However, it suffered a serious military defeat at the hands of Israel in the latest conflict. This article explores the reasons for Hezbollah's ...
  125. [125]
    Israel-Hezbollah conflict 2023/24: UK and international response
    Dec 12, 2024 · In September 2024, a strike killed Hezbollah's leader. Israeli ... A ceasefire was agreed between Israel and Hezbollah on 26 November 2024.
  126. [126]
    Analysis: Al-Assad's fall is Iran and Russia's loss, but are there ...
    Dec 10, 2024 · With the fall of the al-Assad regime, Iran has lost a key pillar of its “Shia Crescent”. The land corridor it used to arm Hezbollah and project ...
  127. [127]
    Iran Struggles with Assad's Collapse - The Soufan Center
    Jan 13, 2025 · To help Assad against the rebel forces throughout the Syria civil war, which began in 2011, Iran also recruited and deployed Shia fighters from ...<|separator|>
  128. [128]
    The fall of Assad has exposed the extent of the damage to Iran's axis ...
    Dec 13, 2024 · Tehran's abrupt withdrawal from Syria, having propped up Assad since the 2011 Arab Spring uprising, has exposed Iran's strategic and military weakness.
  129. [129]
    The Diminished Strategic Value of Iran's “Axis of Resistance”
    Sep 18, 2025 · Iran has relied on the Axis to forge a “unity of fronts” in pressuring Israel to end its occupation of Palestinian territory, and to advance ...
  130. [130]
    Yemen's Houthis Grow Bolder Despite US Bombing Campaign
    May 4, 2025 · "Ballistic missile launches have dropped by 69 percent. Additionally, attacks from one way attack drones have decreased by 55%," CENTCOM said in ...
  131. [131]
    Iran's Shia crescent falters: How regional power shifts after October 7
    Jan 28, 2025 · The Shia crescent was stronger than ever, and Iran's regional influence was growing steadily. Many Shi'ite, or Shia, forces moved from Iran to ...
  132. [132]
    The Future of Iran's Axis of Resistance in Syria and Lebanon - RSIS
    Mar 3, 2025 · The war between Israel, Hamas and Hezbollah transformed the Middle East's balance of power, in particular, weakening Iran's influence in Syria and Lebanon.
  133. [133]
    What comes next for Syria after Assad? - ISPI
    Dec 10, 2024 · The fall of the Assad dynasty in Syria marks a pivotal moment in Middle Eastern history, given Syria's strategic role in the Shia crescent.
  134. [134]
    Shia Calls to Divide Iraq: Why Now? - Emirates Policy Center
    May 1, 2025 · Shia political and armed factions have recently issued explicit and implicit calls for the partition of Iraq, seeking to secure the Shia-controlled region's ...
  135. [135]
    The Axis of Resistance Returns to Its Local Roots
    Apr 21, 2025 · The Iran-aligned “Axis of Resistance” has suffered a year and a half of withering setbacks. Now, its future is more uncertain than ever before.
  136. [136]
    https://understandingwar.org/research/middle-east/iran-update-october-22-2025/
  137. [137]
    The Swords of Iron War: From the Shiite Crescent to a 'Sunni Revival'?
    May 5, 2025 · This 'crescent' symbolized Iran's strategy to expand its influence through partnerships with Shiite-led or Shiite-influenced governments and ...Missing: Shia | Show results with:Shia
  138. [138]
    Azerbaijan-Jordan: recent developments and future cooperation to ...
    Jul 25, 2024 · During the Global War on Terror in the early 2000s, King Abdullah II of Jordan coined the term “Shia Crescent” to describe the Iranian grand ...
  139. [139]
    The shape-shifting 'axis of resistance' - Chatham House
    Mar 6, 2025 · This paper argues that a more effective approach to countering Iran and its allies involves a long-term strategy, built for a more multi-aligned world order.
  140. [140]
    The Death of the Shia Crescent: Iran Faces Strategic Setback as ...
    Dec 19, 2024 · Iran invested heavily, seeing Syria as crucial for coordinating with Hezbollah and as a weapons pipeline to assert its hegemony in the region.