The T-90 is the ultimate battle tank of the Russian military. It is a third-generation main battle tank that combines the lethal firepower of a 125mm smoothbore gun, the latest armor protection, and the advanced mobility of a tracked vehicle. It is
From Wikipedia
The T-90 is a third-generation Russian main battle tank developed from, and designed to replace the T-72. It uses a 125 mm 2A46 smoothbore main gun, the 1A45T fire-control system, an upgraded engine, and gunner's thermal sight. Standard protective measures include a blend of steel and composite armour, smoke grenade dischargers, Kontakt-5 explosive reactive armour (ERA) and the Shtora infrared anti-tank guided missile (ATGM) jamming system.