Ukraine launched a drone attack targeting a major oil refinery in Moscow, located approximately 15 kilometers from the Kremlin. The strike represents a significant escalation in Ukraine’s campaign, demonstrating an increased ability to reach deep inside Russian territory. Reports indicate the refinery is one of Russia’s largest, potentially impacting fuel production. Prior to the attack, President Putin had reportedly concentrated key air defense systems around Moscow, suggesting anticipation of such threats. However, these defenses proved insufficient to prevent the strike. The incident underscores the vulnerability of Russian infrastructure despite heightened security measures and raises questions about the effectiveness of Russia’s air defense capabilities. Ukrainian officials have not yet officially claimed responsibility for the attack.