The technology no faction can afford to lose
MMU, Matriz de Manufactura Unificada
En quelques mots
The MMU, or Matriz de Manufactura Unificada, is the shared set of blueprints behind almost everything built in Aurin: ships, weapons, suits and buildings. The two rival factions inherited it intact from the fleet that brought them, so they build the same things in different paint. Neither can afford to lose it, and that weighs more than their rivalry.
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The difference is not in what you build: it is in who you build it for.
What is the MMU?
The Matriz de Manufactura Unificada (MMU) is the technical standard behind almost everything built in Aurin, the settlers’ system. It was born during the Éxodo, the centuries-long crossing from Solmera, the home galaxy. On that voyage the Flota Aura, the fleet that brought the settlers, standardised everything it made:
- modular ship chassis;
- weapons;
- suits;
- prefabricated structures.
A single blueprint worked in any shipyard in the fleet.
Why do both sides build the same things?
Because both inherited the same Matriz. When the war of Year 1 split the fleet into two sides, the Zenith and the Nadir, each kept the MMU intact.
The rule is same chassis, different finish. Take the base rifle that comes off the Matriz for both sides:
| Zenith | Nadir | |
|---|---|---|
| Housing | Polished | Patched |
| Sight | Holographic, cyan | Mechanical, amber |
Both carry a serial designation from the Matriz, such as the Fusil de Asalto MMU-7. Ships work the same way. The Tortuga-class heavy transport (see the canonical fleet) comes out white and gold at El Pináculo, the Zenith station. At El Fondeadero, the Nadir station, it comes out copper and green.
In thirty-five years of cold peace, the tense truce that followed the war, neither side has substantially improved its base blueprints. All the energy has gone into the war, and none into fundamental research. What each side does differently is what it builds, where it deploys it and who it sells it to.
Why does it matter so much?
Because neither side can live without it. It is the material reason for the Armisticio de Ithera, the pact that stopped the war in Year 12. Both depended on the same Matriz, so neither could afford to wipe out the other’s supply.
The same dependence explains the Arca Custodia, the Arca Aurora’s sister ship, where every settler is registered. It holds the biometric records and the identity authentication tied to the MMU. Without it they cannot be replicated. That is why neither faction could keep the ark for itself.
What can the Matriz not do?
Some fleet technology is beyond today’s MMU:
- The Palio. This is the field generator at the core of each station. It is a remnant of the fleet arks’ armour engineering, and nobody has managed to replicate it or fully switch it off. It absorbs structural damage and recalibrates the station every night.
- The Aura-class corvette. It comes from a pre-war military design. The Matriz cannot build it without first reconstructing the complete blueprint.
- Auxiliary cores. In thirty-five years, neither faction has managed to build one.
Old parts do not always fit either. The hull fragments of the Arca Aurora, the ship that crashed in the war, belong to two generations of the MMU, years apart. Hull Foreman Orso Dallent of The Forge, the producers’ guild, has seen plenty of hulls fail. He works at the Astillero Meridian, an abandoned fleet shipyard. In his words, joining those fragments means asking “two pieces that never met to pretend they were born together”. Then he adds: “The metal knows before you do.”
What does it allow, and what does it forbid?
The MMU bans rival manufacturers but leaves restorers alone. The compis fit through that legal gap: the fleet’s auxiliary cores, rescued and put back to work.
- A rescued core is registered as a recovered part under certification.
- The guild workshop that signs for it answers for the body and nothing else.
The five guild workshops have spent thirty-five years arguing over one question. Is it a loophole, or the reason the law exists? Nobody has asked for it to be closed.
How do the Zenith and the Nadir see it?
To the Zenith, the MMU is the tool of the Ascensión, their ideal of progress. Their formal name is La Cátedra de los Arquitectos, and their motto «La luz se gana» (light is earned). Their Arquitectos, the body that designs the blueprints, control the lines of the Matriz at El Pináculo. Their stated goal is to push it towards a new generation of jump drives. Aurin was the only habitable system the fleet could reach before its propulsion reserves ran out.
To the Nadir, the Matriz is an inheritance to be looked after and repaired. Their formal name is La Concesión, and their motto «Lo que nadie quiso» (what nobody wanted). In Los Talares, the open workshops at El Fondeadero, anyone may use a bench if they leave it as they found it.
On their fringes are the Descarnados, Nadir radicals who would sabotage the Zenith’s MMU even at the cost of Nadir lives. The Círculo, the assembly that governs the Nadir, tolerates them grudgingly and disowns them in public.
