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Structure

This page details military structure of Militarum Tempestus forces including Detachments and Formations.

Detachments


Castellans of the Imperium

When the Imperium faces the direst of threats, it requires all of its military arms to work in conjuction to secure the future of Humanity. Bolstered by their versatility and shared devotion to the Emperor, and driven by the desperation such a mustering of strength signifies, disparate Imperial warriors become a force greater than the sum of its parts.

Unlike the Detachments shown in Warhammer 40,000: The Rules, the Castellans of the Imperium Detachment have Force Organisation Charts whose slots are a combination of Battlefield Roles from multiple Factions. However, they still have compulsory and optional elements, as well as Restrictions and Command Benefits, just like any other Detachment. If your Warlord is part of a Castellans of the Imperium Detachment, that entire Detachment is your Primary Detachment.

The Castellans of the Imperium Detachment Army List divides the units available into several categories, according to their Battlefield Role. You must use the profiles, points costs, equipment, options, special rules and any Dedicated Transports available to each unit as described on their datasheet. Each entry will include an abbreviated reference to the codex, publication or dataslate where their appropriate datasheet can be found, denoted as follows:

HQ
2-4
Troops
4+
Heavy Support
0-6
Fast Attack
0-6
Elites
0-6
Lords of War
0-3

HQ
One of the following:
 • Inquisitor Greyfax
 • Celestine
 • Terminator Captain (AoD)
 • Commissar (AM/MT)
 • Commissar Yarrick (AM)
 • Company Command Squad (AM)
 • Enginseer (& Servitors) (AM/IA)
 • Knight Commander Pask (AM)
 • Lord Commissar (AM)
 • Ministorum Priest (AM/AS/IA)
 • Primaris Psyker (AM/IA)
 • Tank Commander (AM)
 • Canoness (AS/IA)
 • Ecclesiarchy Battle Conclave (AS)
 • Sororitas Command Squad (AS/IA)
 • Uriah Jacobus (AS/IA)
 • Inquisitor Coteaz (I/IA)
 • Inquisitor Karamazov (I/IA)
 • Ordo Hereticus Inquisitor (I/IA)
 • Ordo Malleus Inquisitor (I/IA)
 • Ordo Xenos Inquisitor (I/IA)
 • Militarum Tempestus Command Squad (MT)
 • Captain (SM)
 • Chaplain (SM)
 • Chaplain Grimaldus (SM)
 • The Emperor’s Champion (SM)
 • High Marshal Helbrecht (SM)
 • Librarian (SM)
 • Techmarine (SM)

FAST ATTACK
One of the following:
 • Armoured Sentinel Squadron (AM)
 • Hellhound Squadron (AM)
 • Rough Riders (AM)
 • Scout Sentinel Squadron (AM)
 • Vendetta Squadron (AM)
 • Valkyrie Squadron (AM/MT)
 • Dominion Squad (AS/IA)
 • Seraphim Squad (AS/IA)
 • Stormhawk Interceptors (DftS)
 • Taurox Prime (MT)
 • Assault Squad (SM)
 • Attack Bike Squad (SM)
 • Bike Squad (SM)
 • Drop Pod (SM)
 • Land Speeder Storm (SM)
 • Land Speeders (SM)
 • Razorback (SM)
 • Rhino (SM)
 • Scout Bike Squad (SM)
 • Stormtalon Gunship (SM)

LORDS OF WAR
One of the following:
 • Knight Crusader (IK)
 • Knight Errant (IK)
 • Knight Gallant (IK)
 • Knight Paladin (IK)
 • Knight Warden (IK)
 • Baneblade (M)
 • Banehammer (M)
 • Banesword (M)
 • Doomhammer (M)
 • Hellhammer (M)
 • Shadowsword (M)
 • Stormlord (M)
 • Stormsword (M)
TROOPS
One of the following:
 • Infantry Platoon (AM)
 • Veterans (AM)
 • Battle Sisters Squad (AS/IA)
 • Militarum Tempestus Scions (MT)
 • Crusader Squad (SM)
 • Scout Squad (SM)
 • Tactical Squad (SM)

HEAVY SUPPORT
One of the following:
 • Contemptor Dreadnought (AoD)
 • Basilisk Battery (AM)
 • Deathstrike (AM)
 • Hydra Battery (AM)
 • Leman Russ Squadron (AM)
 • Manticore (AM)
 • Wyvern Battery (AM)
 • Exorcist (AS/IA)
 • Penitent Engine (AS/IA)
 • Retributor Squad (AS/IA)
 • Centurion Devastator Squad (SM)
 • Devastator Squad (SM)
 • Hunters (SM)
 • Land Raider (SM)
 • Land Raider Crusader (SM)
 • Land Raider Redeemer (SM)
 • Predators (SM)
 • Stalkers (SM)
 • Stormraven Gunship (SM)
 • Thunderfire Cannons (SM)
 • Vindicators (SM)
 • Whirlwinds (SM)

ELITES
One of the following:
 • Callidus Assassin (A/IA/M)
 • Culexus Assassin (A/IA/M)
 • Eversor Assassin (A/IA/M)
 • Vindicare Assassin (A/IA/M)
 • Cataphractii Terminator Squad (AoD)
 • Bullgryns (AM)
 • Militarum Tempestus Platoon (AM)
 • Ogryns (AM)
 • Ratlings (AM)
 • Wyrdvane Psykers (AM/IA)
 • Celestian Squad (AS/IA)
 • Repentia Squad (AS/IA)
 • Inquisitorial Henchmen Warband (I)
 • Command Squad (SM)
 • Dreadnoughts (SM)
 • Honour Guard (SM)
 • Ironclad Dreadnoughts (SM)
 • Sternguard Veteran Squad (SM)
 • Terminator Squad (SM)
 • Terminator Assault Squad (SM)
 • Vanguard Veteran Squad (SM)
 • Venerable Dreadnoughts (SM)

RESTRICTIONS
This Detachment must include at least four Troops choices and two HQ choices. It may include up to two more HQ choices and any number of additional Troops choices, as well as up to 6 Elites, 6 Fast Attack and 6 Heavy Support choices, and up to 3 Lord of War choices, in any combination. This Detachment must also include units that have at least two different Factions.

COMMAND BENEFITS
Flock to the Front Line: Each time a Troops unit from this Detachment is completely destroyed, roll a D6. On a 5+, you can immediately place a new unit into Ongoing Reserves that is identical, in terms of the original number of models, weapons and upgrades, to the unit that was just destroyed. This new unit counts as being part of the original Detachment, so roll a D6 as described above if they are subsequently destroyed. Victory points are awarded as normal for new units in this Detachment that have been completely destroyed.

Lord Castellan: If this Detachment is chosen as your Primary Detachment, you can choose to re-roll the result on the Warlord Trait table.

Zealous Defenders: All units in this Detachment have the Hatred special rule. However, if this Detachment’s Force Organisation Chart contains the maximum number of units (excluding Troops), then all units in the Detachment have the Zealot special rule instead.

Formations


Airborne Assault Formation

RESTRICTIONS
The Commissar must join one of the squads in this Formation during deployment.
SPECIAL RULES
Air Cavalry: All of the Infantry units in this Formation begin the game embarked upon their Valkyrie transports, and must therefore be placed in Reserve. Furthermore, If a unit from this Formation disembarks uses a Valkyrie’s Grav-chute Insertion special rule, you can re-roll the scatter dice.

Secure the Area: On any turn in which a unit from this Formation disembarks from a Valkyrie (even if this is using the Valkyrie’s Grav-chute Insertion special rule), it has the Split Fire special rule, and all of its ranged weapons have the Twin-linked special rule.

Strategic Intervention: When making Reserve Rolls, make a single roll for the entire Formation, which you can choose to re-roll. On a successful Reserves Roll, all of the units in this Formation arrive from Reserve.

Ground Assault Formation

RESTRICTIONS
The Commissar must join one of the squads in this Formation during deployment.
SPECIAL RULES
Calculated Strike: All of the units in this Formation must either be set up during deployment or placed in Reserve - you cannot divide this Formation’s units between the two. When making Reserve Rolls, make a single roll for the entire Formation, which you can choose to re-roll. On a successful Reserves Roll, all of the units in this Formation arrive from Reserve.

Mounted Battle Group: All of the Infantry units in this Formation begin the game embarked upon their Taurox Prime transports.

Surgical Deployment: On any turn in which a unit from this Formation disembarks from a Taurox Prime, all of its ranged weapons have the Pinning and Twin-linked special rules.

Hellrain Brigade

RESTRICTIONS
None.
SPECIAL RULES
Hellrain Reinforcements: A Hellrain Brigade’s Commissar can call for reinforcements should heavy casualties be suffered. Each time a Hellrain Brigade’s unit of Militarum Tempestus Scions is completely destroyed, you can - if its Commissar is alive - immediately place a new unit into Ongoing Reserves that is identical to the unit that was destroyed (in terms of the number of models, weapons and upgrades). Reinforcement units arrive from Deep Strike Reserve and count as being part of same Formation.