Ukrainian forces struck several russian military targets during the evening of September 20 and overnight into September 21, including a Kasta-2E2 radar station, a drone command post and a personnel concentration site, according to Ukraine's General Staff.
One of the reported targets was russian Kasta radar station near Pikuzy in Donetsk region. The system is reportedly valued at approximately $60 million, making it a significant high-value target.
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The General Staff identified the system as the Kasta-2E2 (39N6), a mobile radar designed to detect aircraft, missiles and unmanned aerial vehicles operating at low altitudes.

The radar has a reported detection range of up to 150 km, meaning its role extends beyond the immediate area around its deployment. Its mobility also allows russian forces to reposition the system depending on operational requirements.
The reported destruction of the Kasta system therefore affects one of the sensors used to provide situational awareness for russian forces. Removing such a radar can create gaps in detection coverage, particularly against low-flying targets.
Ukrainian forces also struck russian UAV command post near Dniproenerhiia in Donetsk region. The target was part of the infrastructure used to operate and coordinate russian unmanned systems.
Another strike was reported near Staryi Khutir in russia's Belgorod region, where Ukrainian forces hit russian personnel concentration site.
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