Ukrainian drone strikes ignite Russian oil refineries as Putin acknowledges 'difficult period'

Jun 27, 2026

Ukrainian long-range drone strikes ignited a major oil refinery in Slavyansk-na-Kubani and reportedly targeted another in Yaroslavl on June 28, 2026, killing at least two people in regional attacks. The strikes are part of an intensified campaign by secretive units like the First Separate Center of Unmanned Systems to choke Russian fuel supplies and military logistics. Russian President Vladimir Putin acknowledged a 'difficult period' as fuel rationing spread to Siberia and Crimea, while US direct aid to Ukraine has dropped by 99%.

Ukrainian deep-strike drone operations

▪Ukraine has increased long-range drone attacks on Russian military industries and energy facilities to reduce Moscow's revenue and disrupt military logistics.
▪Ukrainian drone strikes targeting supply routes, railroad bridges, and ferry crossings have disrupted fuel deliveries and military logistics to occupied Crimea.
▪Ukrainian President Volodymyr Zelenskyy stated on June 10, 2026, that Ukrainian long-range drones had struck more than 356,000 Russian targets over the previous year.

Russian oil refinery attacks

▪Ukrainian President Volodymyr Zelenskyy claimed that a second Russian oil refinery in the Yaroslavl region was hit by drone strikes on June 28, 2026.
▪The Slavyansk-na-Kubani oil refinery processes approximately 4 million tons of crude oil annually and exports petroleum products through Russia's Black Sea ports.
▪Debris from downed Ukrainian drones ignited a fire at the Slavyansk-na-Kubani oil refinery in Russia's Krasnodar region on June 28, 2026, killing one person.

First Center Unmanned Systems

▪The commander of the First Separate Center of Unmanned Systems, callsign Charlie, stated that drones have heavily influenced combat operations due to a lack of missiles.
▪A drone operator with the callsign Push from the First Separate Center of Unmanned Systems launches long-range drone strikes almost every night.
▪The First Separate Center of Unmanned Systems is a secretive Ukrainian military unit that launches deep-strike drones at targets inside Russia.

Drone technology rapid evolution

▪Commander Charlie described an active, fast-paced arms race between Ukraine and Russia focused almost entirely on aerial, aquatic, and ground-based unmanned systems.
▪Commander Charlie of the First Separate Center of Unmanned Systems stated that setting up drone launches has been accelerated to resemble a Formula 1 pit stop.
▪Ukrainian defense technology company Fire Point manufactures lightweight drones capable of traveling between 800 and 1,200 miles to strike deep targets.

Declining US military aid

▪Direct military aid from the United States to Ukraine fell by 99% under the Trump administration, according to the Kiel Institute for the World Economy.
▪Commander Charlie of the First Separate Center of Unmanned Systems stated that Ukraine has never relied entirely on foreign aid to sustain its defense.