The T-80 is a Soviet-designed main battle tank that first entered service in 1976. It is known for its powerful 125mm smoothbore gun and advanced armor, which includes composite materials and explosive reactive armor. The T-80 was one of the first tanks to use a gas turbine engine, providing it with high speed and mobility on the battlefield. Over the years, the T-80 has undergone several upgrades, resulting in various models, such as the T-80U and T-80BV. It has been used by several countries and has seen action in various conflicts, showcasing its versatility and effectiveness in modern warfare. The tank is part of the broader family of Soviet tanks, including the T-54 and T-90.