The Estacado Cluster is less a political entity and more a shared mailing address. Frontier worlds settled primarily by Latin American colonists, connected by cultural ties, trade routes, and a mutual agreement that nobody is in charge.
The Estacado worlds sit on the trailing edge of Freelance space. Far enough from the major trade routes that nobody bothers them, close enough that they can sell what they dig up. The systems were settled in the mid-24th century by colonists who wanted land, quiet, and to be left alone. They got all three, plus dust storms, equipment failures, and the kind of isolation that either builds character or breaks people.
The name comes from the Llano Estacado, the Staked Plains of old Earth. It fits. Flat, harsh, resource-rich worlds that reward hard work and punish stupidity in roughly equal measure.
Calling them a "cluster" implies more organization than actually exists. The Estacado systems trade with each other, help each other out when things go wrong, and occasionally argue about water rights. That's about it. No council, no charter, no formal agreement. When the Confederacy invited them to join, the response from one system's mayor was reportedly "join what?"
Mining is the backbone. The Estacado worlds are rich in heavy metals and industrial minerals, the kind of raw materials that keep shipyards and factories running across Freelance space. Most operations are small-to-medium scale, family-run or cooperative-owned.
Ranching is the other major industry, supplying beef and livestock products to nearby systems. Estacado beef has a reputation for quality that its residents will talk about at length whether you want them to or not.
Salvage rounds out the economy. The frontier location means derelict ships and abandoned equipment drift through with some regularity, and Estacado salvage crews are skilled at turning other people's trash into working hardware.
Work hard, mind your business, help your neighbors, don't trust anyone who shows up in a clean ship. Spanish is spoken as commonly as English, and most residents switch between the two without thinking about it.
Community gatherings (fiestas, rodeos, market days) are the main social events, and they're taken seriously. An Estacado rancher who skips the harvest festival had better have a good reason, or they'll be hearing about it for the next decade.
Friendly but minimal with just about everyone. They sell ore to whoever's buying, buy supplies from whoever's selling, and stay out of politics. The Highlands Cluster is probably their closest ally. Two groups of stubborn frontier people tend to understand each other.