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BattleTech Faction

Republic of the Sphere

Home  /  Fiction  /  Factions  /  Republic of the Sphere
Active
3081 – 3151
Leadership
Exarch
Abbrev.
RS
Group
Inner Sphere
Republic of the Sphere

Founded in 3081 by the hero Devlin Stone from the war-torn heart of the Inner Sphere, the Republic of the Sphere made Terra the capital of a bold experiment in peace. For decades its idealism and its disciplined army held the center of human space together.

Out of the devastation of the Jihad, Devlin Stone forged something the Inner Sphere had not seen in generations: a genuinely new nation dedicated to peace, unity, and a fresh start. The Republic of the Sphere claimed Terra and the surrounding worlds, welcomed peoples from every former power, and built a professional, technologically capable military — the Republic Armed Forces (RAF) — to defend a hard-won stability. For decades the Republic delivered a golden age of reconstruction and relative peace, a rare bright chapter in a violent universe. When crisis came, its leaders enacted the audacious Fortress Republic, sealing its borders behind an impenetrable wall to preserve its heartland. And while the Republic fell to the claws of Clan Wolf, the spirit of the Republic of the Sphere lives on in the Third Star League Defense Force. Idealistic, disciplined, and centered on humanity’s homeworld, the Republic represents the Inner Sphere’s most hopeful modern vision — and its elite RAF gives players a clean-slate faction with cutting-edge equipment and a noble cause.

Why command the Republic

Because you fight for the best cause in the setting — peace, unity, and the defense of Terra itself — with a modern, professional, tech-forward army to back it. For players who want an idealistic clean-slate faction with elite equipment and a heroic mission, the RAF is the natural home.

Continue reading & collecting

The Republic is detailed in Field Manual: 3085, Era Report: 3145, and Dark Age–era sourcebooks; the Master Unit List builds a period-correct RAF force, and modern Force Packs field its designs.

Faction AvailabilityLive unit data from the Master Unit List
View Availability Matrix on the MUL →