Military analysts suggest Russia modified Iranian ballistic missiles to exploit vulnerabilities in Patriot air defense systems

Analysts suspect Russia modified Iranian missiles with Iskander-M tech to evade Patriot systems, as interception rates drop in recent Gulf engagements.

By: AXL Media

Published: Mar 6, 2026, 9:32 AM EST

Source: The information in this article was sourced from Defense Express

Anomalies in Gulf interception rates

Recent combat footage from Qatar and Bahrain has raised alarms among military analysts regarding the efficacy of the MIM-104 Patriot surface-to-air missile system. In one specific engagement, approximately 15 Patriot interceptors were deployed to counter just three incoming Iranian ballistic missiles, a ratio of five-to-one that far exceeds the standard military doctrine of two interceptors per target. Despite the high volume of fire, only three successful interceptions were visually confirmed, with several missiles reportedly missing their targets or achieving intercepts at dangerously low altitudes. These anomalies suggest that Iranian munitions are employing sophisticated evasion techniques previously unseen in the region.

Technological transfer and Russian involvement

The systematic pattern of Patriot misses has led experts to hypothesize that Russia has provided direct technical assistance to Iran’s missile program. In 2025, the Russian Federation successfully upgraded its Iskander-M ballistic missiles with new flight algorithms specifically designed to counter the Patriot PAC-3 MSE (Missile Segment Enhancement) system. Rather than hardware changes, these upgrades involve "trajectory masking"—selecting flight paths that exploit the specific sensor limitations and reaction times of the Patriot’s radar and guidance software. Analysts believe Moscow may have shared these settings with Tehran as part of their expanding military-technical partnership.

Assessment of Iranian missile batches

Evidence suggests that the transfer of Fateh-110 and Zolfaghar missiles from Iran to Russia in late 2024 served a dual purpose. While initially viewed as a supply move for the war in Ukraine, the lack of recorded use of these specific batches in Europe suggests they may have been utilized by Russian specialists for laboratory testing and performance analysis. By dismantling and studying the Iranian airframes, Russian engineers likely developed tailored software patches to enhance the missiles' ability to penetrate Allied air defense bubbles. This collaboration creates a dangerous feedback loop where Iranian "battlefield data" from the Gulf is used to refine Russian technology, and vice versa.