The third-generation M1 Abrams tank forms the backbone of the armoured divisions of the American Army and Marine Corps. The Abrams is characterized by heavy armor (it is among the heaviest combat vehicles in the world) and the adoption of the powerful turbine-powered multifuel engine. Great attention was paid to the protection of the crew thanks to the separate and heavily protected ammunition depot. The M1 Abrams, which entered operational service in the early 1980s to replace the dated M-60s, offers a sophisticated fire control system and modern armoring. Initially armed with a 105 mm gun. It was then equipped with the most modern and powerful 120mm cannon-study cannon that can employ a different variety of projectiles. The Abrams has been widely used, with lethal effectiveness, on all the major theaters operating from the Middle East to Afghanistan, proving superior to any other adversary chariot.