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Established in the 2030s during the General Resource LTD Conflict, the United Air Defence squadron was an elite unit that was part of the military force that destroyed the Air Strike Force of General Resources LimitedIn a brief but fierce war, they are credited for wiping out General Resources's Command Center, from which ASF attacks came from. It was made by smaller, medium nations and smaller corporations, who were unaffiliated with major groups, such as Allied Alliance, who had major powers like Osea and Yuktobania, and was designed to defend themselves against the GR threat that was controlling small and medium unaffiliated countries and the threat it had against them. Their best pilot was called "Ace" and support aircraft was called "Mother".
Ace Combat Advance (the game itself)