Ukraine Drone Attacks Russian Refineries After Cheboksary Strike
Ukraine said its ukraine drone attacks russian refineries campaign hit a military factory in Cheboksary and a refinery in Russia’s Samara region on Wednesday. Volodymyr Zelenskyy said FP-5 Flamingo long-range missiles struck the Cheboksary plant, while Ukrainian forces also targeted oil infrastructure in Samara.
The Cheboksary site sits in Chuvashiya, more than 900km from the frontline, and the factory was said to supply components for Russian drones and missiles. In Samara, Vyacheslav Fedorishchev said industrial plants were damaged and three people were injured, while Astra carried images of a large fire at the refinery.
Cheboksary and the VNIIR-Progress plant
Zelenskyy said Ukrainian FP-5 Flamingo long-range missiles hit a military factory in Cheboksary. Astra reported that the Ukrainian strike hit the VNIIR-Progress plant, which produces antennas for drones, and Oleg Nikolayev confirmed the attack in Chuvashiya.
Cheboksary matters here because it is not a border city. It is more than 900km, or 560 miles, from the frontline, putting the strike deep inside Russia and into a plant tied to drone and missile components.
Samara refinery damage
Zelenskyy said Ukrainian forces also struck a refinery in Russia’s Samara region. Fedorishchev said drone strikes damaged industrial plants in Samara and injured three people, while Astra published images of a large fire at the refinery.
cited industry sources saying Rosneft’s Kuibyshev refinery in Samara halted oil processing on 10 June after a drone attack. The Kuibyshev refinery is part of Rosneft’s Samara refining hub, which also includes the Novokuibyshevsk and Syzran plants, both of which had already been hit: Syzran went offline on 21 May and Novokuibyshevsk shut down on 18 April and has been running at reduced throughput.
Ukraine’s widening strike pattern
Wednesday’s attacks fit a broader pattern of Ukrainian strikes on Russian oil infrastructure and other facilities in Russia-occupied areas. Zelenskyy said Ukraine’s SBU security service also targeted two oil infrastructure facilities in Russia’s Vladimir region, about 700km from the frontline, and Ukrainian forces struck the Russian-occupied port of Mariupol, plunging the site into a blackout.
The next formal marker in this campaign came on Thursday 11 June 2026, when Zelenskyy declared the inaugural Day of the Unmanned Systems Forces and said the day would be celebrated annually. He said, "For the first time in the world, such a branch of the military was created, in Ukraine," and added, "We are developing the USF to the max, and it is Ukrainians who have proved that through technology, ingenuity, and courage, we can change the nature of warfare."
