Several Ukrainian drones slammed into Russia’s largest refinery on Monday, engulfing it in fireballs and clouds of smoke. There was no air defense to speak of because Russian autho

Several Ukrainian drones slammed into Russia’s largest refinery on Monday, engulfing it in fireballs and clouds of smoke. There was no air defense to speak of because Russian authorities had assumed that the Siberian city of Omsk, was too far from Ukraine. Link Ukraine’s Drones Are Now Reaching Siberia and Imperiling Russian Energy Assets The Kremlin’s new dilemma is how to protect a much bigger geographic area with limited air-defense capabilities.