Due to their design and movement, they are often dubbed as a ' chicken walker'. These vehicles were designed to screen and protect the flanks of slower moving AT-ATs and the larger tanks used by the Empire. The All Terrain Scout Transport (AT-ST) is a two-legged mech walker introduced briefly in The Empire Strikes Back and featured extensively in Return of the Jedi. Main article: Walker (Star Wars) В§В All Terrain Scout Transport (AT-ST)

Modified forms appear in The Last Jedi (used by the First Order to attack Resistance forces in a former Rebel base). The AT-AT also appears in a destroyed form in Star Wars: The Force Awakens, explained in the video game Star Wars Battlefront (2015) to be a residue of the Battle of Jakku, which was the Empire's last defeat and resulted in its dissolution. A.T.') was first introduced in The Empire Strikes Back (as the Galactic Empire's main units against Rebel Alliance infantry during the Battle of Hoth) and also appears in Return of the Jedi (as the vehicle used to transport Luke Skywalker and Darth Vader to their shuttle on the forest moon of Endor) and in Rogue One (in the AT-ACT variant, used to respond to the attacks of Rebel infantrymen of the Rogue One unit during the Battle of Scarif, although later defeated by the arriving Rebel Red Squadron of starfighers). The AT-AT (pronounced either casually as 'at at', or using only the letters ' A.T. Standing over 20 metres (66В ft) tall with blast-impervious armour plating, these massive constructs are used as much for psychological effect as they are for tactical advantage. The All Terrain Armored Transport, or AT-AT walker, is a quadruped mechanized infantry combat vehicle used by the Imperial ground forces. Main article: Walker (Star Wars) В§В All Terrain Armored Transport (AT-AT) Vehicles appearing in the Original Trilogy All Terrain Armored Transport (AT-AT) 3 Vehicles appearing in other Star Wars media.2.16 Single Trooper Aerial Platform (STAP).2.15 Self-propelled heavy artillery (SPHA).2.3 Clone turbo tank (HAVw A6 Juggernaut).2 Vehicles appearing in the Prequel Trilogy.1.2 All Terrain Scout Transport (AT-ST).

1.1 All Terrain Armored Transport (AT-AT).

1 Vehicles appearing in the Original Trilogy.

Star wars rebel heavy trooper