Undefined Explosive Device (UED)

Undefined Explosive Device (UED) event in Donetsk, Dniproenerhiya area, Ukraine on Mon 21st September 2026

21st September 2026

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Ukrainian forces strike costly Russian Kasta radar for second time in a month.

The General Staff has reported that Ukraine's defence forces struck a Russian mobile Kasta radar station in the occupied part of Donetsk Oblast, as well as a Russian drone ground control station.

Source: General Staff of the Armed Forces of Ukraine

Quote: "On 20 September and on the night of 20-21 September, units from Ukraine's defence forces struck a number of important enemy military facilities."

Details: A Russian Kasta radar station was struck in the area of the settlement of Pikuzy, Donetsk Oblast.

The General Staff said that the Kasta-2E2 (39N6) radar is a mobile radar system for detecting aircraft, missiles and drones at low altitudes. Its range extends up to 150 km, with an estimated cost starting at US$60 million.

A Russian drone ground control station was also struck in the area of Dniproenerhiya, Donetsk Oblast.

In addition, a cluster of Russian troops was struck near Staryi Khutir, Russia's Belgorod Oblast.

Quote: "Work on key enemy military targets continues."

Contextual analysis

Analysing the event count by highlighting the presence of munition categories over a six-month data period.

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Ukraine (UKR)

Donetsk ( Dniproenerhiya area )

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