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European Energy Markets
18JUN

Russia sends upgraded drones to Iran

2 min read
09:57UTC

Iran taught Russia to build Shaheds. Russia industrialised the design and shipped upgraded versions back at 1,000 per day.

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EconomicDeveloping
Key takeaway

Industrial-scale drone production reshapes the war's attritional arithmetic against depleting defences.

Russia shipped upgraded Geran-2 drone variants to Iran via sea, with delivery completed by end of March . President Zelensky confirmed the transfer. Russia also provided satellite targeting data, according to the Washington Post. Russia builds roughly 1,000 Geran-2s per day. 1

The reversal is strategically remarkable. Iran supplied Russia with the original Shahed-136 drones for use in Ukraine. Russia industrialised the design, upgraded it with jet propulsion and improved guidance, and is now shipping the product back. Iran's single-day intercept numbers on 3 April (47 drones in one UAE engagement alone) may reflect this expanded supply. With THAAD and Arrow stocks depleting, the attritional arithmetic favours the side that can produce munitions at industrial scale.

Deep Analysis

In plain English

Iran originally designed a cheap drone called the Shahed-136 and gave the design to Russia for use in Ukraine. Russia built a factory and upgraded the design, producing 1,000 of them a day. It then shipped upgraded versions back to Iran. This matters because Iran's missiles and drones are being intercepted at high rates, burning through expensive US and Israeli defensive rockets. With Russia supplying cheap drones faster than defences can be rebuilt, the war of attrition favours Iran.

Deep Analysis
Root Causes

Russia's incentive is threefold: degrade US military capacity and attention, test upgraded drone variants in live combat, and deepen Iran's strategic dependency for oil and political cover.

The Geran-2 improvement over the Shahed-136 includes jet propulsion and improved guidance, making it harder to intercept and more accurate. At 1,000 per day, Russia can sustain Iranian strike capacity indefinitely against depleting THAAD and Arrow stocks.

What could happen next?
  • Consequence

    Russian industrial supply allows Iran to sustain drone strike rates indefinitely, accelerating Arrow-3 and THAAD depletion beyond RUSI's March projections.

  • Precedent

    The Shahed-Geran supply loop creates a precedent for reverse-technology transfer between Russia and Iran that will outlast this conflict and reshape both arsenals.

Sources:USNI Proceedings / War on the Rocks
Mentions:Iraq →Washington Post →Kremlin →THAAD →Ukraine →Iran →Yom Kippur War →Syria →Israel →Iran-Iraq War →Prima →Egypt →Russia →Geran-2 →Shahed-136 →
First Reported In

Update #58 · First US aircraft fall over Iran

USNI Proceedings / War on the Rocks· 4 Apr 2026
Read original →
Causes and effects
Caused by
Pentagon Sent Congress Stale Casualty Data
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This Event
Russia sends upgraded drones to Iran
Russian industrial drone production tips the attritional balance against depleting missile defence stocks.
Led to
Interceptor Crisis Reaches Projected Depletion Window
Russia delivering upgraded Geran-2 drones at 1,000 per day (ID:1937) accelerates the interceptor depletion rate.
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Different Perspectives
Cross-border power traders
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EDF
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