The T-55 tank is a Soviet-designed main battle tank that was first produced in the late 1940s and became widely used during the Cold War. It features a 100mm gun, a low profile, and sloped armor, which enhances its protection against enemy fire. The T-55 was designed for mobility and can traverse various terrains, making it effective in different combat situations. Over the years, the T-55 has been upgraded and modified, leading to numerous variants used by many countries around the world. Its simplicity and reliability have contributed to its longevity, with some still in service today, showcasing its impact on armored warfare.