The Serbian Defence Ministry announced on 20 May that a joint training exercise of special units of the Serbian Armed Forces and the Russian Armed Forces, dubbed Joint Response 2021, was currently underway.
EurActiv: Military exercise with Russia underway in Serbia
Russian troops and military equipment parade at the end of the day of the Vostok-2018 (East-2018) military drills at Tsugol training ground not far from the borders with China and Mongolia in Siberia, on Sept. 13, 2018.