ISW Russian Offensive Campaign Assessment, September 10, 2026

Key Takeaways from the ISW: Ukrainian forces conducted their deepest long-range drone strike thus far in the war, striking one of Russia’s largest gas complexes nearly 3,000 kilometers from the Ukrainian border. United Russia Party Chairperson and Russian Security Council Deputy Chairperson Dmitry Medvedev formally articulated United Russia’s commitment to supporting a protracted war in Ukraine and solidified the party’s pro-war stance as part of Russia’s informal state ideology. A Russian drone entered Moldovan airspace as Ukrainian President Volodymyr Zelensky’s plane was preparing for takeoff at the Chisinau Airport, Moldova on September 9. Polish Prime Minister Donald Tusk stated on September 10 that Polish and Ukrainian security services prevented an unspecified direct threat against a Polish-Ukrainian border crossing overnight. Ukrainian forces struck Russian ports along the Black and Caspian Sea coasts on the night of September 9 to 10. Russia launched 149 drones against Ukraine overnight. Neither Russian nor Ukrainian forces advanced on September 10. JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. See the original here.