Astonaige is a mechanic with the Anti Earth Union Group. As the chief mechanic aboard the Argama, he and his hard-working crew somehow manages to keep the ship's battered mobile suits in good working order. When Londo Bell was established, Astonaige joined and became the chief mechanic of their flagship, the Ra Cailum. While on the Ra Cailum, he began a relationship with one of its pilots, Kayra Su. (Source: Gundam Wiki)