Melange Mining rode the He-3 boom and the War to near-monopoly status over Lunar fusion fuel. Prosperity Mining Depot's destruction was a War catalyst; Melange emerged from the Treaty of Heinlein stronger than most states on Luna.

In New Angeles and Heinlein politics, "what Melange wants" often shapes energy prices, Loonie labor conditions, and prisec deployments. Overseers and subsidiary stations appear throughout SotB adversaries and locations.