Tachikoma

A Tachikoma (タチコマ) is an AI walker/roller tank in the Ghost in the Shell universe, appearing in the original manga and also in the Ghost in the Shell: Stand Alone Complex sub-universe. They are best described as a "spider type multi leg/multi ped combat vehicle equipped with artificial intelligence", possessing the ability to act as both personnel transport units and mobile weapons platforms. Section 9 possesses 9 of these think tanks.