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Iran Update Special Report, August 18, 2026

ISW · Institute for the Study of War ·

Executive Summary

Russia continues to provide military support to Iran, including drone components and explosives, via the Caspian Sea, enabling Iran to enhance its drone capabilities and attack US forces. Concurrently, Iran launched two ballistic missiles at the UAE and attacked vessels in the Strait of Hormuz, while Iraqi militias, backed by Iran, resist disarmament efforts by setting unattainable preconditions.

Why It Matters

This report provides critical insights into the evolving military cooperation between Russia and Iran, Iran's aggressive regional actions, and the persistent challenges of Iranian-backed militias in Iraq, all of which directly impact regional stability and US strategic interests.

Key Takeaways

  • Russia is actively supplying Iran with drone components and explosives, enhancing Iran's military capabilities and its ability to target US assets.
  • Iran launched ballistic missiles at the UAE and attacked commercial vessels in the Strait of Hormuz, escalating regional tensions and asserting control over vital waterways.
  • Iranian-backed militias in Iraq are resisting government disarmament efforts by demanding preconditions that ensure their continued armed presence and influence.

Strategic Relevance

The document highlights the deepening military ties between Russia and Iran, impacting global power dynamics and regional conflicts. It also details Iran's assertive posture in the Middle East, including direct attacks and proxy influence, which poses significant challenges to international shipping, regional security, and US interests.

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Key Entities

RussiaIranUnited Arab EmiratesIraqIslamic Resistance in IraqHouthiUnited StatesCaspian SeaStrait of HormuzShahed dronesAli ZaydiInstitute for the Study of War

Best For

Defense AnalystsPolicy MakersIntelligence AnalystsMiddle East Specialists

Related Themes

Russia-Iran AllianceMiddle East SecurityDrone WarfareBallistic MissilesProxy WarfareFreedom of Navigation

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