In the original mobile suit gundam ,No. But in the novelization of first Gundam after Amuro dies before A Baoa Qu Char as Casval Rem Deikun defects from Zeon and joins white base. Then he paints the Gundam his signature Red color and pilots it against Zeon. In Zeta Gundam he is shown piloting one of the stolen Gundam Mark II's that the AEUG stole from the titans. If you consider the Hyaku Shiki, Anahiems Delta Gundam to be a Gundam despite its lack of V shaped samurai horns on its head, he piloted 2 gundams in Zeta Gundam