On 21 December, the Armed Forces of Ukraine eliminated 660 occupiers and one tank. In total, Russia has already lost about 100,400 militaries in Ukraine - the Ukrainian Armed Forces General Staff reports on Facebook.
Other approximate losses include:
5,981 (+2) armoured personnel vehicles,
1,978 (+6) artillery systems,
413 (+1) MLRS,
212 anti-aircraft systems,
283 (+1) aircraft,
267 helicopters,
1,693 (+5) operational-tactical UAVs
653 cruise missiles
16 warships/boats
4,615 (+7) vehicles and fuel tankers
178 special equipment items.