The T54 tank is a Soviet-designed main battle tank that first entered service in the late 1940s. It features a powerful 100mm gun and a robust armor design, making it effective in various combat situations. The T54 was widely produced and used by many countries during the Cold War, becoming one of the most common tanks in the world. Over the years, the T54 has undergone numerous upgrades and modifications, leading to variants like the T55. Its design influenced many subsequent tanks, including the T-62 and T-72, and it remains in service in some nations today.