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The Astra Militarum are one of four confirmed playable factions in Total War: Warhammer 40,000. They represent the vast standing armies of the Imperium of Man: billions of ordinary human soldiers supported by heavy weapons teams, artillery, and armored columns. Where the Space Marines are defined by extraordinary individual capability, the Astra Militarum are defined by scale. They are humanity's answer to a galaxy of existential threats, and that answer is bodies, guns, and tanks in numbers too great to count.
Playstyle
The Astra Militarum are confirmed as the massed ranks of humanity's largest fighting force. Their playstyle centres on volume: large formations of infantry backed by heavy armored vehicles and artillery. Individual Guardsmen are not superhuman, but they come in enormous numbers and are supported by powerful fire support platforms that can devastate opponents at range.
In contrast to the Space Marines, whose every casualty is significant, the Astra Militarum can sustain attrition better in terms of raw bodies while relying on armored assets to punch through heavy opposition. This blend of massed infantry and armored firepower gives the faction a distinctive combined-arms character, well suited to players who enjoy managing large battlefields and coordinating multiple unit types rather than micromanaging a handful of elite warriors.
The Scale of the Imperium's Armies
The Astra Militarum draw recruits from worlds across the Imperium, tithed to provide regiments of soldiers for conflicts far from their home systems. This vast recruiting base is central to the faction's identity: the Imperium can always field more soldiers, even if those soldiers are outmatched individually. Their armies are defined by diversity in origin and unity in organisation, with regiments arriving from countless worlds each bringing their own equipment traditions and fighting styles, all folded into the broader Astra Militarum command structure.
Sub-Factions and Warlords
Renowned Astra Militarum sub-factions and warlords are referenced as part of the faction system, but no specific regiment or named character has been confirmed publicly as of the most recent announcements. Details are expected to be shared later in 2026.