Lauge Risom Koch 
Ukrainian forces struck three Russian defense enterprises manufacturing missile components and fuel, while satellite imagery confirmed a major oil refinery shut down.
Ukrainian forces launched overnight strikes against three Russian industrial enterprises supplying defense systems. According to United24 Media, the General Staff of the Armed Forces of Ukraine reported the operations on September 25. The targeted facilities manufacture electronic components and solid rocket fuel for Russian military operations.
One primary target was the Zavod Iskra enterprise located in Ulyanovsk. Operating as part of the Almaz-Antey defense corporation, the plant specializes in producing semiconductors and radar gear. According to RBC-Ukraine, this factory serves as a supplier for Kh-59M2 guided missiles and Pantsir-S air defense systems.
Ukrainian planners identified the facility as a node in Russia’s military supply chain. Striking these manufacturing hubs disrupts the production of guidance systems and communication equipment. The overnight operation aims to degrade the opponent’s capacity to sustain missile manufacturing.
Chemical facilities supplying Iskander missile systems
The operation also targeted two chemical facilities situated deeper inside Russian territory. As reported by United24 Media, Ukrainian forces struck the Efremov Synthetic Rubber Plant in the Tula region and the Voronezhsintezkauchuk plant near Voronezh. Both sites play a role in producing solid rocket fuel for the Russian armed forces.
Military authorities confirmed that both facilities supply fuel components used in Iskander ballistic missile systems. Disrupting the production of solid propellant impacts the enemy’s ability to maintain regular missile strikes against Ukrainian targets. According to Interfax-Ukraine, the General Staff emphasized that targeting these supply chains is an exercise of self-defense.
Ukrainian officials cited Article 51 of the United Nations Charter to justify the cross-border strikes. They maintained that degrading Russia’s military-economic potential remains essential for protecting civilian infrastructure from missile bombardments. These attacks demonstrate Ukraine’s strategy of striking defense infrastructure located beyond the front lines.
Satellite imagery confirms refinery operations halted
Recent satellite imagery revealed structural damage caused by an earlier Ukrainian strike on Russian energy infrastructure. As noted by United24 Media, a September 22 drone attack forced Rosneft’s Kuibyshev Oil Refinery in the Samara region to halt operations. Visual analysis confirmed that three crude storage tanks were destroyed by fire while a fourth sustained damage.
The imagery also documented a scorched pumping station and destruction along primary pipeline corridors. These damaged pipelines supply crude oil to the AVT-4 and AVT-5 distillation units within the refinery complex. The shutdown impairs local fuel processing capacity and restricts energy supplies destined for military logistics.
Combined with the industrial strikes, these attacks underscore a systematic campaign against Russian defense logistics. By targeting weapon manufacturing facilities and refineries, Ukrainian forces exert pressure on supply networks. Analysts expect these targeted operations to continue disrupting Russian military capabilities in the coming months.
