Ace Combat Zero: The Belkan War thrusts players back in time, 15 years before the events of “Ace Combat 5,” and reveals the events that led up to the last chapter of the franchise. Players will take the role of a mercenary hired to fly for Ustio, a small country bordering the invading country, Belka. Whether you choose to fight like a mercenary or hero, the ultimate goal is to defend Ustio at all costs!