Talk:General Discussion/@comment-27934528-20160316083454/@comment-25863825-20160316092034

It simply refers to formations that truly existed, as the user above linked.

That's why you have quests involving those "Sortie the XXth Division" everywhere and stuff. It's also a good hint when you have to document yourself about who to pick as branching rule ships during events, but I'm going offtopic. (Just hoping you get the idea)