Zeta Plus A1 is a mass-produced variant of the original Zeta Gundam mobile suit, featured in the anime series 'Mobile Suit Gundam' (Kidou Senshi Gundam). It is designed for high mobility and atmospheric combat, primarily used by the Earth Federation Forces in the Universal Century timeline. The Zeta Plus A1 plays a key role as a frontline mobile suit, supporting main characters and providing advanced firepower and versatility in battle situations. Its design is iconic for its transformable structure and distinctive blue-and-white color scheme.