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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 armoured 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. They play closest to a traditional Total War army: large formations of infantry backed by heavy armoured 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 armoured assets to punch through heavy opposition. This blend of massed infantry and armoured 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.

Combined-Arms Battle Doctrine

The Astra Militarum field battle tanks and dedicated artillery alongside their infantry lines. Cover and fortified positions are especially important for Guardsmen because their soldiers are not individually durable, and pre-release materials specifically called out the Astra Militarum as one of the factions for whom cover discipline matters most. Show and Tell footage demonstrated a squad of Guardsmen garrisoning the upper floor of a building inside a cover zone, firing down on attackers from a position the enemy had to take or destroy.

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.

Skulls 2026 Armageddon Teaser

The Warhammer Skulls 2026 showcase on 21 May 2026 included an Incoming Broadcast teaser that confirmed the planet Armageddon as part of the game and featured Commissar Yarrick's voice over a CRT broadcast. Yarrick is a legendary aged commissar of the Imperial Guard famous for defending Hades Hive against Orks during the second war for Armageddon. Although the teaser strongly suggests that Yarrick will appear as a named Astra Militarum character, Creative Assembly has not yet stated explicitly whether he will be a playable legendary lord. Treat this connection as confirmed for the setting but not yet confirmed for the roster.

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 a playable lord. Details are expected to be shared throughout 2026.

Army Customisation

Like all factions, the Astra Militarum support deep army customisation. Players can personalise colours, iconography, wargear, names, traits, and tactical abilities, building custom regiments within the visual and thematic identity of the Imperial Guard.