RX78

The RX-78 is a designation commonly associated with Mobile Suits from the fictional Universal Century timeline of the Gundam metaseries. The most prominent Mobile Suit bearing this designation is the RX-78-2 Gundam, a prototype mobile weapon developed by the Earth Federation during the One Year War. Its design is characterized by its white, blue, red, and yellow color scheme, and iconic beam saber.

The RX-78-2 Gundam was piloted by Amuro Ray, a civilian who became an ace pilot due to his exceptional Newtype abilities. This mobile suit served as the primary antagonist against the Principality of Zeon's mobile suits, particularly the Zaku series. Its advanced performance, including its beam rifle and armor, made it a formidable weapon on the battlefield and a symbol of the Earth Federation's technological superiority.

Over time, the RX-78 designation has been applied to various other mobile suit prototypes and variations within the Gundam universe, exploring different technological advancements and combat roles. These include units like the RX-78-1, RX-78-3, and later, more advanced iterations that built upon the original RX-78-2's legacy. The RX-78's influence extends beyond its in-universe narrative, becoming an iconic and recognizable design within mecha anime and popular culture.