The Zaku II (MS-06) is the first mass-produced mobile suit of the Principality of Zeon in Mobile Suit Gundam, improving on the MS-05 Zaku I. It features distinctive spiked left shoulder armor for close combat tackles and a large rectangular right shoulder shield. Main armaments include the Zaku machine gun, 280mm bazooka, and Heat Hawk melee weapon. Known for high mobility, versatile optional equipment, and influencing future mobile suit designs. Piloted by notable Zeon aces like Char Aznable, it posed threats to Federation forces including Gundam through heat-based and explosive attacks.