This battle report is breathless to watch; both sides are desperately upgrading their strategies.

CoinWorld News reports that on the 21st local time, the Russian Ministry of Defense announced that in the past 24 hours, Russian forces struck one Ukrainian military airport, as well as energy and transportation infrastructure, logistics centers, and other targets used by the Ukrainian military. Russian air defense systems intercepted 8 guided air bombs and hundreds of fixed-wing drones. In addition, the Russian Black Sea Fleet destroyed 4 Ukrainian unmanned boats. The Ukrainian Armed Forces General Staff reported on the 21st that by that afternoon, there had been dozens of battles along the front line, with the fiercest fighting in the Huliaipole and Pokrovsk directions. In addition, on the 21st, Ukrainian unmanned systems units struck multiple targets including Russian radar stations, fuel depots, and military vehicles.