Tank origin

Expanding on the improvements made to the T-72M1 with the “Wilk” variant, Poland undertook the PT-91 project shortly after the collapse of the Soviet Union. The PT-91 Twardy (meaning “hard”) offered considerable upgrades to the base T-72M1 design, including domestically produced explosive reactive armor (ERA), passive night vision gear, a new fire control system (FCS), and smoke grenade launchers.