Ukraine Strikes St. Petersburg Oil Terminal + Corvette Boikiy at Kronstadt During SPIEF Opening Day — Day 1,560

On June 3, 2026 — Day 1,560 of Russia's full-scale invasion — Ukraine launched one of its most strategically significant deep-strike operations of the war: drones targeted St. Petersburg's oil terminal and the Kronstadt naval base on the opening day of Putin's flagship St. Petersburg International Economic Forum (SPIEF), often called 'Russia's Davos.' Three districts of St. Petersburg were targeted, per city governor Aleksandr Beglov. Most significantly, drones struck the guided-missile corvette Boikiy while in dry dock at Kronstadt naval base — the first confirmed strike on a Russian naval vessel in the Gulf of Finland and a major escalation in geographic scope. The St. Petersburg oil terminal — one of Russia's largest oil transshipment complexes in northwestern Russia — was set ablaze. Separately, Ukrainian drones struck a weapons manufacturing plant in the Tambov region (~600 km from Ukraine's border) and critical infrastructure in Smolensk. Russia's MoD claimed air defenses intercepted 354 Ukrainian drones overnight, making this one of the largest single Ukrainian drone operations of 2026. Several people were wounded in St. Petersburg; no confirmed civilian deaths from the city strike itself. The timing of the attack — coinciding exactly with the SPIEF opening ceremony — appeared designed for maximum strategic embarrassment of the Kremlin's diplomatic showcase. Ukraine's 2026 drone campaign has now struck targets across northwestern, central, and southern Russia, hitting air defense systems, oil infrastructure, military-industrial facilities, and naval assets.