Military units of Ukraine's Joint Forces Operation (JFO) in Donbas have checked the combat readiness of air defense systems.

Read alsoJFO: Two Ukrainian soldiers wounded in Donbas in past day

"By order of Commander of Ukraine's Joint Forces Operation, Lieutenant-General Serhiy Nayev, the units carried out readiness check of air defense forces to perform tasks as intended," the JFO's press center wrote on Facebook.

"Combat service crews of the Buk-M1 air defense missile systems went on signal to combat positions to perform a conditional combat mission," the report says.

It is reported that having taken the starting positions, anti-aircraft rocket units performed airborne target search tasks, putting it on automatic tracking and conditional destruction.

"The check has shown the air defense units of the Joint Forces are ready to quickly and on time respond to any aggression from the air," the press center said.