From Macross Compendium

Originally a fold navigation business, it began venturing into Fold wave communication and information, expanding rapidly in the past decade. The interstellar conglomerate is home to Δ (Delta) Squad, the tactical music unit "Walkure" of the Information and Entertainment department and their joint mission. Hayate Immelmann belongs to the Ragna branch where Macross Elysion is the main carrier.


In Macross Delta, Chaos is written in Greek: χάος.