Regimental Organization


“Men united in the cause of the Emperor are blessed in his sight and will live forever in his memory”
– Ecclesiarch Deacis IX



Tank companies and mechanized infantry make up the bulk of the regiment. The premise of armored warfare rests on the ability of troops to penetrate conventional defensive lines through use of maneuver by armored units. Much of the application of armored warfare depends on the use of tanks and related vehicles used by other supporting arms such as infantry fighting vehicles and self-propelled artillery, as well as mounted combat engineers and other support units.


Drop troop formations make up the bulk of the regiment. Airborne forces are usually light infantry, moved by aircraft and 'dropped' into battle. Thus they can be placed behind enemy lines, and have an ability to deploy almost anywhere with little warning. The formations are limited only by the number and size of their aircraft, so given enough capacity a huge force can appear "out of nowhere" in minutes, an action referred to as vertical envelopment. Airborne forces typically lack the supplies and equipment for prolonged combat operations, and are therefore more suited for airhead operations than long-term occupation; furthermore, airborne operations are particularly sensitive to adverse weather conditions.


Air Cavalry relies heavily on Valkyrie gunships to seize and hold unsecured, key terrain and to engage enemy forces directly. In addition to regular infantry training, air-assault units usually receive training in rappelling and air transportation, and their equipment is sometimes designed or field-modified to allow better transportation within Valkyrie gunships. Aircraft that enable assaulting forces to combine air mobility with a certain degree of ground mechanization carry air light armor vehicles like the sentinels and salamanders. Air cavalry is largely light infantry and are highly dependent on aerial fire support provided by their Valkyries.


Field Artillery regiments are used to support armies in the field. These weapons are specialized for mobility, tactical proficiency, long range, short range and extremely long range target engagement.

Imperial field batteries measure targets in kilometers and miles and often do not directly engage the enemy with observed direct fire.  They incorporate Basilisk, Griffin, Bombard, Hydra and other self-propelled artillery vehicles as well as towed guns, forward observer units mounted in Salamander or Chimera APCs and sophisticated sensorium gear to identify and zero in on their targets.
Most field artillery situations require indirect fire due to weather, terrain, night-time conditions, distance or other obstacles. These gunners can also rely upon a trained artillery observer, also called a forward observer who sees the target, relays the coordinates of the target to their fire direction center which, in turn translates those coordinates into: a left-right aiming direction; an elevation angle; a calculated number of bags of propellant and finally a fuze with a determined waiting time before exploding, (if necessary) to be set, which is then mated to the artillery projectile now ready to be fired.


Grenadiers are heavy infantry, equipped with better armor and vehicle transport than other infantry forces. Typically, grenadier regiments possess large numbers of stormtroopers, veterans and Chimera APCs. Grenadiers are elite forces expected to end the battle and break the lines of the enemy. Grenadiers perform well in pitched battle but are more vulnerable to ambushes.


Horse mounted rough riders make up the bulk of Imperial lancer regiments – typically raised from medieval or feral worlds, lancers are generally deployed against less technologically adept foes (Orks, feral or medieval worlders, low tech aliens, etc.)


Light infantry lacks armor support and has a reduced vehicle footprint. Light infantry units lack the lethality, tactical mobility and survivability of heavy units, but possess greater operational mobility and the ability to execute missions under restrictive terrain and weather that may otherwise impair a heavy unit's mobility. Light infantry forces typically rely on their ability to operate under restrictive conditions, surprise, and violence of action, training, stealth, field craft, and fitness level of the individual soldier to address their reduced lethality. Ironically, forces in a light unit will normally carry heavier individual loads versus other forces; they must carry everything they require to fight, survive and win due to lack of vehicles.


Mechanized cavalry combines organic armored support with mechanized infantry and reconnaissance units. Typically, a mechanized cavalry troop (company) will have a tank squadron, a recon squadron and a mechanized infantry platoon attached. Highly mobile and able to engage well-equipped and/or dug-in enemies, mechanized cavalry are often attached as spearheads to lighter infantry formations.


Mechanized infantry are infantry equipped with Chimera armored personnel carriers (APCs) and/or Demolisher infantry support vehicles (IFVs). Mechanized infantry can call on more organic heavy weapons support even than Motorized infantry or light infantry thanks to the weapons systems of their APCs. They require more combat supplies (ammunition and especially fuel) and ordnance supplies (spare vehicle components), and a comparatively larger proportion of their manpower is required to crew and maintain the vehicles.


Far and away the most common Imperial Guard formation, line regiments boast large numbers of light infantry combined with close armor support and limited APC transport capability. Line regiments account for about half of the total strength of most Imperial Guard battlegroups.


Fortifications of the 41stmillennium can be formidable – even to high tech forces. To break these strongholds, the Imperium deploys siege regiments that combine well-armored troops with extensive artillery support. Some siege regiments specialize in trench warfare, others in sapping and still others in combat engineering.  Regardless of specialization, siege regiments always include artillery support and a strong combat engineer cadre.

Table 12: Regimental Organization

d100 roll



Armor Regiment


Airborne Regiment


Air Cavalry Regiment


Grenadier Regiment


Lancer Regiment


Light  Infantry Regiment


Mechanized Cavalry


Mechanized Infantry


Medium or Line Infantry


Siege Regiment



“What I cannot crush with words, I shall crush with the tanks of the Imperial Guard”
–Lord Solar Macharius

How does the Regiment prefer to fight? Although the Imperial Guard expects to fight in a variety of environments and theaters of war, many Regiments come to favor one style of combat over others. Years of fighting against particular foes might hone an especially effective form to perfection, or the specialization might be the result of the Regiment’s essential character.


The Regiment fields a balanced mix of troop types in addition to the prescribed compliment of support units. In the execution of battle plans, the Regiment’s leaders remain flexible, and are willing and able to change approach at a moment’s notice. Such Regiments still vary widely in matters that do not relate directly to tactics and unit organization. Unit choices come from the Codex: Imperial guards without restriction


The Regiment favors assault troops and tactics to win the battle. Such Regiments may appear superficially to follow the organizational doctrines of the Codex, yet focus on close combats when it comes to delivering victory. Such regiments favor closing with the enemy quickly an d deciding the issue toe-to-toe. This is a common doctrine for troops from low technology worlds.


The opposite of the Close Combat doctrine, Regiments focusing on ranged combat prefer to gun their opponents down with overwhelming firepower. For some this is a matter of the controlled, almost scientific application of long-range fire, while others display a preternatural instinct for locating their foe’s weak points and striking from afar. Those favoring such a doctrine include those who prefer the close-in use of massedlasguns and special weapons, and those who specialize in longer-ranged heavy weapons. Those favoring the close-in approach are likely to mount their troopers in Chimera transports, dismounting when within lasgun range in order to unleash a devastating fusillade.


Many Imperial Guard Regiments specialize in stealth tactics.  These Regiments have honed the art of a stealthy approach followed by an overwhelming assault to an art form, not least of which is the Tanith 1stRegiment. Some of these Regiments utilize subtle modifications to armor and weaponry, shielding them from detection until the very last moment. Such regiments use silenced weapons, subdued armor, and cammo-cloaks so that the enemy has no idea of the Regiment’s presence, until delivering the killing blow.


A lightning strike is an assault carried out with such overwhelming force, from such an unexpected quarter, that no defense is possible and the enemy is smashed aside and utterly defeated. Regiments that specialize in the tactic tend to maintain highly mobile forces, eschewing heavy firepower for maneuverability. These forces might feature large numbers of Chimera-borne squads, while others utilize large numbers of Valkyrie drop. Enemy positions are thoroughly reconnoitered, their status communicated by ultra-secure cipher wave to the main force hidden nearby.


Protracted siege warfare, whether fought defensively or offensively, is a form of war commonly practiced by the Imperial Guard. Some Regiments have historically excelled at such a form, or are temperamentally suited a type of war that is a unique mix of science and murder. When attacking, Imperial Guards specializing in siege warfare commonly form the spearhead of the assault, bringing a formidable weight of power to bear on the weakest point in the enemy defenses and cracking it open no matter the cost, allowing Imperial forces to consolidate before moving on to the next objective. When fighting in defense, the Imperial Guards identify the point the enemy is most likely to assault, and hold it come what may. An army of half a million Imperial Guardsmen might rely upon a single Siege Regiment to take or hold a fortress, so effective are such Regiments.


When possible, a bombardment staged by strike vessels or battle barges in orbit over an enemy position precedes many Imperial Guard assaults, softening up the resistance and hampering the foe’s will and ability to fight. Some Regiments have honed this ability to such a degree that the mere appearance of their vessels in system space is sufficient to bring about the enemy’s total collapse. Any foe foolish enough to resist further is likely to be the subject of such a devastating bombardment that no stone is left standing upon another, and very little remains for the ground troops to engage. Some Regiments have become a little too skilled in this tactic for their own good, and are wont to bring about such devastation that they cannot aid in the liberation of captured cities.


To the average Imperial subject, even a single Imperial Guard Regiment is a sight of such awe and legend that the mere thought of rebellion is impossible to countenance. The sight of the Imperial Guard, proudly bearing their colors and marching fearlessly onwards, equally dissuades those amongst humanity’s enemies capable of rational thought. Some Regiments build their tactics around the notion of inspiring fear in their foes, even above what they normally invoke. Such Regiments utilize the universal symbols of death, including their adornment of their armor and vehicles with stylized or actual skulls, and display the bodies of fallen enemy leaders where all their followers may witness their defeat. They employ psychological methods, such as transmitting the sermons of their Chaplains and other dire portents of imminent doom.

Targets selection aims to cause maximum disruption of enemy command and control nets, with precision strikes called against leaders and communication nodes reducing once coherent armies to disparate masses of uncoordinated and utterly demoralized mobs.

Table 13: Combat Doctrine

D10 roll



Close Combat


Close Order Drill




Mobile Assault








Line Regiment



Some Imperial Guard Regiments possess a unique organization. Sometimes, this results in certain roles being unavailable to that Regiment. To represent this, Table 14 determines which Specialty the Regiment lacks. A roll on this table is optional.

Table 14: Specialty Restrictions

D100 Roll





Regimental Advisors








Roll Twice on this Chart or choose something truly unusual (i.e. the Regiment has no infantry platoons; the Regiment fields no vehicles, etc.)



One thing that sets a Regiment apart from another are the individual pieces of equipment that the Regiment prefers to carry into battle. Table 15 presents some ideas on equipment that the created Regiment will favor.).

Table 15: Special Equipment

d100 Roll

Roll Result


Traditional Weapon: The Regiment favors one specific weapon over all others. Choose one specific weapon to serve as the Regiment’s traditional weapon. Examples: Power Sword, Bolt Pistol, Melta Gun


Totemic Charm: This Regiment has strong beliefs in the icons of either the Emperor or their Patron Saint. A trooper  from this Regiment never goes without such an icon on their person. Example: Regiment Heraldry on a necklace, Imperial Aquila tattooed over the right eye.


Bestial Companion: More common among those Regiments whose origins come from Feral Worlds, this Regiment prides itself on raising hunting animals to assist in battle. Examples include hunting cats, hunting birds, etc.


Rare Weaponry: Whether through the blessing of the Adeptus Mechanicus or sheer good fortune, this Regiment has a large stock of weaponry rare amongst the other Regiments. It is a symbol of honor to wield one of these weapons in battle. Examples include master crafted weapons, plasma weapons, , etc.


Blessed Wargear: It is common for members of this Regiment to have their Wargear blessed by a Chaplain before battle. Doing so puts the trooper’s mind at ease and more focused on the task before him.


Special Mount: While other Regiment’s may keep animals as companions, this Regiment uses them for what they were intended for—transportation. Examples include Cold Ones, Carnodon,veryangryGrox, etc.


Special Vehicle: This Regiment prefers to ride into battle in more modern conveyances. While the traditional Imperial Guard vehicle is the Chimera, other Regiments may use more rare vehicles as primary transport. Examples include modified Chimera, Valkyrie,  etc.


Preferred Fighting Style: The Regiment has a specific way in which it prefers to go about killing the enemy in the name of the God Emperor of Mankind. Examples: laspistol and chainsword, dual Power Swords, special Bolter pattern or ammunition


Modified Weaponry: When the Regiment’s forges produce a weapon, they produce them in a style that is specific to their Regiment. Examples include Power Saber, lasgun with weighted butt for clubbing, etc.




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