A very interesting and detailed piece .A further update on the drone front.
Ukraine Aims Its Explosive Sport Plane Drones At Russia’s Only 1,900-Mile Strategic Radar
The second target for Ukraine’s explosives-laden robotic sports plane is a big one: a 1,900-mile-range over-the-horizon radar in the Russian town of Kovylkino.www.forbes.com
Edit: for orientation, Kovylkino is about 600 km south east of Moscow.
Russia will need hundreds more air defense systems to protect its precious infrastructure.