Last Exile (2003)

In a vibrant world filled with retro-futuristic flying machines, young and daring van ship sky porters Claus and Lavie find themselves on an unexpected quest. They must transport a mysterious girl named Alvis to the formidable battleship Silvana. As they embark on this mission, they unwittingly get swept up in a thrilling aerial escapade amid two nations locked in a relentless conflict, characterized by stunning dogfights and majestic airships. What begins as a simple delivery quickly spirals into an extraordinary adventure that tests their courage and friendship.