The Army of the Southern Cross (ASC) is a fictional military organization in the Robotech universe. In the series´ second part, "The Robotech Masters", the ASC is the force tasked with defending Earth from the Robotech Masters, who came to retrieve the Protoculture Factory, following the failure of the Zentraedi during the First Robotech War. This conflict is known as the Second Robotech War. The ASC is part of the larger United Earth Forces that took over the role of Earth's defenders after the departure of the Robotech Expeditionary Force (REF) circa 2022. The leader of the ASC was Supreme Commander Anatole Leonard, a powerful military commander who rose to power in opposition to the Robotech Defense Force (RDF). The ASC was crushed during the Invid invasion of Earth.