Skies of Deception is the first game in the Ace Combat series on the Play Station Portable and the ninth game in the series overall. Released in 2006. It focuses on the southern section of the Osean Continent where you play as a pilot in the air force of the Federal Republic of Aurelia. In 2020, they are invaded by the Democratic Republic of Leasath on the pretext of retaliation for their involvement in a civil war. In just ten days their superweapon, the Gleipnir aerial fortress, wipes out almost the entire Aurelian air force. Gryphus One is the only survivor of his squadron and must lead the counterattack into Leasath territory.