Russia upgraded its main battle tank fleet to take on Ukraine's western tanks. As per TASS, Russia is installing the modern Arena-M reactive armour and high precision systems group on its tanks like the T-72, T-90, and T-80. Russia's T-72 main battle tank successfully passed tests using Arena-M armour. The Russian defence ministry is planning to quickly replace armoured troops with the Arena-M suite. Watch this video to know more.