Divison map of Osea and Yuktobania by RavenZero-One on DeviantArt
Ace Combat Strangereal Alliances / Characters - TV Tropes
Osean Federation | Ace Combat - YouTube
Osean Air Defense Force | Acepedia | Fandom
Osean 6th Paramarine Regiment - "This is Princess Rosa Cossette E'lise of the Kingdom of Erusea, The Osean Federation has forced construction of its giant space elevator on our territory which is
Osean Federation Flag Patch – Strangereal Patches
Osea Map (Blue and White)" Poster for Sale by enriquepma | Redbubble
Osean Federation - All Endings - YouTube
Ace Combat Inspired Osean Federation Military Morale Patch - Etsy