On the night of May 29-30, drones of the Security Service of Ukraine attacked the Russian Nebo-SVU long-range radar detection system. The cost of the complex is $100 million, the sources say. According to the sources, the drones were an in-house development of SSU military counterintelligence. Russian radar system The complex was located near Armyansk. It controlled a 380-kilometer section of the frontline and provided terrorists with protection of their facilities in the temporarily occupied Crimea. After the attack, space reconnaissance systems detected a blackout of the Nebo-SVU radar. Afte…