The threat of Arthur Gaz has been vaporized along with his corpse. At least in the anime, Chaika Trabant has found a family with Toru and Akari, and it seems that Chaika Bogdan has joined them. But what about the hundreds of other Chaikas out there? (Remember, Gaz called the White Chaika "#357".) The Red and Blue Chaikas had the will to break their conditioning, but what of the rest? Will they spend the rest of their lives in a futile, meaningless quest? Nothing says that the death of Gaz will free these poor souls from their compulsion...
Jossed: It appears that the remaining Chaikss perished soon after the death of Gaz.