Ukraine has accelerated missile and drone raids on Russia's energy infrastructure since August 2025, worsening fuel shortages.
Ukraine receives US intelligence support, including operational planning for drone systems, but retains final say in target selection.
The targets include oil refineries and pumping systems, the Kremlin's main revenue source.
Ukraine now possesses a powerful and growing pool of strike assets.
Ukraine's approach differs from previous attacks, which were smaller and targeted oil storage facilities.
Author's summary: Ukraine targets Russia's energy sector.