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Russia Pulled Rare S-400 Launchers From Strategic Kapustin Yar Range—Ukraine Found and Hit Them

Ukrainian forces destroyed three and damaged five Russian Iskander and S-400 launchers used for ballistic missile attacks during September and early October 2026, according to Defense Minister Yevhenii Khmara.
New footage released by Ukraine’s Security Service also appears to support earlier assessments that the vehicles hit were rare 51P6A launchers pulled out of storage at the Kapustin Yar test range and reassigned for strikes against Ukraine, according to Defense Express on October 12.
OSINT researcher AS-22 examined satellite imagery of Kapustin Yar and found that roughly 30 such launchers were visible there in 2022, but only 14 remained by 2025. That would mean 16 had been removed from storage and likely reassigned to operational use.
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One of the easiest ways to distinguish the 51P6A from more common S-400 launchers is its chassis. The vehicle is mounted on the Belarusian-made MZKT-7930 Astrolog platform, while standard S-400 launchers more commonly use the Russian-built BAZ-64022 chassis.
Defense Express notes that the 51P6A launchers observed near Ukraine were reportedly moving individually, without the radar vehicles normally associated with S-400 air-defense batteries.

That pattern supports the theory that they were being used not in the system’s traditional air-defense role, but as launch platforms for PM-48U surface-to-surface ballistic missiles.
Ukraine’s Defense Intelligence had estimated by late August that Russia possessed up to 17 S-400 launchers specifically assigned to PM-48U operations.
The same 51P6A launchers had also appeared at Kapustin Yar when Russia first publicly discussed specialized ballistic missiles for the S-400 in fall 2023.

The PM-48U itself represents an unusual adaptation of Russia’s existing air-defense missile inventory for ground-strike missions.
The exact launch and guidance architecture used with the 51P6A remains unclear, but the absence of accompanying radar vehicles near some of the launchers suggests that Russia is operating them differently from a conventional S-400 battery.
Previously, reports emerged that Russia used its newest 9M723-2 ballistic missile, commonly referred to as the Iskander-1000, against Kyiv for the first time during a combined attack on the Ukrainian capital this summer.
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