The AT-AT, or All Terrain Armored Transport, is a large, four-legged walker used by the Galactic Empire in the Star Wars universe. Designed for ground assaults, it features heavy armor and can carry troops and equipment into battle. The AT-AT is known for its imposing size and ability to traverse various terrains. Equipped with powerful laser cannons and blasters, the AT-AT is a formidable presence on the battlefield. It first appeared in the film Star Wars: Episode V - The Empire Strikes Back, where it played a crucial role in the Battle of Hoth, showcasing its strength against the Rebel Alliance.