Kidou Senshi Zeta Gundam: Define

Char Aznable, once the most iconic ace for the enemy in the previous war, is now a Federation soldier going by a different name. When the theft of a new Gundam leads him to cross paths with a Newtype boy named Kamille, their meeting sparks a conflict between the anti-government AEUG and the Federation’s brutally oppressive faction known as the Titans…(Source: Yen Press)