Russia provides direct military support to Iran via Caspian Sea shipments of drone components and explosives
Russia has intensified its military support for Iran by transporting drone components, ammunition, and TNT explosives across the Caspian Sea. According to a European government document, over two dozen Russian ships have delivered these supplies to Iran's Amirabad Port. This maritime route allows both nations to quickly replenish military stocks following strikes by the United States and Israel. Because Western navies do not operate in these waters, the shipments remain largely unhindered. This strategic alliance has enabled Iran to utilize Russian-enhanced versions of Shahed drones and advanced drone tactics to strike US forces and assets. While Iran and Russia historically traded goods in the Caspian Sea, the recent surge in military cargo highlights a deepening partnership. The administration announced that the maritime route is a key component of Iran's strategy to rebuild its military inventory during a ceasefire. Iran aims to use these Russian supplies to inflict damage on US and Israeli forces, ultimately deterring future large-scale strikes on Iranian territory.
Sources
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Russia shipping drones, explosives to rebuild Iran’s supply after US, Israeli strikes: report
New York Post
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Iran Update Special Report, August 18, 2026
Institute for the Study of War
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Russia is shipping explosives to Iran to bolster its missile and drone arsenal in U.S. war
NBC News
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Russia Has Started Supplying Explosives to Iran to Replenish Weapons Stocks
UNITED24 Media
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The secret supply route Russia is using to sustain the Iran war
The Telegraph