ISW Russian Offensive Campaign Assessment, October 18, 2026

Key Takeaways from the ISW: Ukraine’s ability to use SpaceX’s low-earth orbit satellite communication technology (Starlink and Starshield) to intercept Russian jet-powered drones remains unclear as of October 18. Ukrainian forces conducted their largest strike against Russian digital, energy, and logistics infrastructure in St. Petersburg, Leningrad Oblast since 2022, overnight on October 17 to 18. Russia continues to expand kinetic actions in Europe that are likely intended to disrupt Western assistance to Ukraine and test NATO resolve. ISW has observed additional evidence corroborating information about the recent restructuring of the 4th Separate Motorized Rifle Brigade into the 84th Motorized Rifle Division (3rd Combined Arms Army, Southern Military District). Russia launched 337 drones and one Iskander-M ballistic missile against Ukraine during the day on October 17 and overnight on October 17 to 18. Ukrainian forces recently advanced in northern Sumy Oblast. JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. See the original here.