Gunner ZAKU Warrior is the artillery version of the ZAFT’s newly developed New Millennium series MS “ZAKU Warrior.” Armed with immense firepower; equipped with M1500 “Orthros” high-energy long-range beam cannon on the back and a large-capacity energy tank “Gunner Wizard.” Standard color of ZAKU Warrior is green, but captain class and ace pilots is allowed to customize their units with personal color schemes.