Command Gundam

A mysterious Gundam that appears in front of Magellan's Gundam Team following their defeats at the hands of Bloody Zaku, leader of the Zatalion Army. After getting the Gundam Team back in shape, he forms the elite G-Arms squad, and heads out to strike down Bloody Zaku and prevent the revival of ZAFU Zatallion.

(Source: SD Gundam Battle Alliance)