Ukrainian drones strike a Russian oil refinery, and Moscow announces the downing of 223 drones.

On the night of July 23, Ukraine launched drone attacks on several Russian regions, hitting an oil refinery and logistics infrastructure in Ulyanovsk, while the Russian Ministry of Defense claimed it destroyed 223 Ukrainian drones over 19 regions, Crimea, and the Sea of Azov.

Ukrainian-made UJ-22 Airborne long-range attack drone (illustrative image — Kyiv, 2021). Photo: VoidWanderer / Wikimedia Commons, CC BY-SA 4.0

Quick Overview

Target: NS-Oil refinery in Novosbaskoye, Ulyanovsk region (large fire) and logistics infrastructure.
Russia’s claim: Downing of 223 drones overnight over 19 regions, Crimea, and the Sea of Azov.
Affected areas: Belgorod, Bryansk, Volgograd, Voronezh, Rostov, Saratov, and others.
Civilian casualties: A three-year-old child died in a fire caused by a drone crash near Voronezh.
Context: Ukraine’s deep strikes on Russian energy and logistics continue.

What Happened

According to Russian Telegram channels citing local residents, Ukraine launched drone attacks on several Russian regions overnight. A large fire was reported at the NS-Oil refinery in the town of Novosbaskoye in the Ulyanovsk region, targeting the refinery and logistics infrastructure.

The Russian Ministry of Defense stated that air defenses intercepted 223 Ukrainian drones overnight over 19 regions and occupied Crimea and the Sea of Azov, listing the regions of Belgorod, Bryansk, Volgograd, Voronezh, Kaluga, Kursk, Oryol, Orenburg, Rostov, Ryazan, Samara, Saratov, Tver, Tula, Ulyanovsk, and Moscow. A three-year-old child died in a fire caused by a drone crash near Voronezh, and the child’s parents were injured.

Operational Context

Since 2024, Ukraine has continued a long-range drone campaign against Russian oil refineries, fuel depots, and logistics centers, targeting deep economic and logistical objectives behind the front lines. Single-use drones are preferred for deep strikes due to their low cost and long range.

Russia’s claim of downing hundreds of drones in one night illustrates the scale of the attacks and the amount of interception resources consumed by the defender, raising concerns about the depletion of costly air defense missiles.

Regional and Strategic Implications

Deep strikes indicate the transition of modern warfare towards the economic front, as energy infrastructure has become a direct military target. This elevates the importance of multi-layered air defense and electronic warfare against drones, which is precisely what the Turkish-made Iron Dome systems were designed for.