Infantry is the branch of an army dedicating to fighting on foot. It is the oldest military branch in history, existing from the first of armies to the present day. From simply throwing stones at the enemy to wielding versatile assault rifles to combat enemy Machine Gun fire, infantry has seen the evolution of human combat from the very beginning, and Rise of Nations reflects on this. Infantry units are created at the the Barracks, the only recruitment building avaliable from the File:AncientAgeIcon Small.png Ancient Age onwards, as soon as File:Military Research Icon.png Military 1 (The Art Of War) is researched. Unlike other unit classes, most Infantry units at full health consist of three soldiers each, the number decreasing with the unit's hit points. This effect is not only cosmetic,