Editing Nobledark Imperium Imperial Forces (section)

== Interex ==

=== Sagittars ===

<div class="toccolours mw-collapsible mw-collapsed" style="100%"> '''''A Fusion of Man and Machine:'''''

Although mankind had experimented with quadrupedal walking machines as early as M3, the use of these machines in warfare would not come into their own until much later, reaching their zenith just before and during the Age of Strife. The separation of the myriad worlds of the Great and Bountiful Human Empire during the Age of Strife resulted in each human world developing its own unique way of coping with the adverse conditions of the period, leading to an explosion of new technologies and new adaptations of old ones. Among these new weapons were the sagittars — a term used to both refer to the quadrupedal walking and the people who rode them — developed by the Interex of the Segmentum Pacificus. Although originally designed as scouts and heavy cavalry, sagittars would quickly become the backbone of Interex ground warfare.
 
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Sagittars are primarily controlled by their rider, who would be neurally linked to their mount, in order to operate their mechanical limbs and onboard armory as if the machine was an extension of themself. Because of this, it often takes several years for a sagittar rider to fully learn how to control their machine’s limbs as if they were their own. When riderless, the robotic portion of the sagittar is controlled by an extremely simple artificial intelligence (about as simple, if not moreso, than those seen in Legio Cybernetica constructs), capable of standing still, returning to the rider’s side when commanded, or seeking cover in a firefight, and not much else. It is only when linked to their rider that a sagittar is capable of more complex action.
 
In addition to serving as a mobile mount, sagittars also function as a mobile armory for their rider. The rear portion of the mount contains a number of weapons, which can be switched between as needed. The most common weapon used by the Interex is the magnetic bow, which consists of a magazine of two-foot long spikes attached to a pair of arms, each of which contained a pair of electromagnets. A current is sent through the bow when the weapon is fired, accelerating the projectile to velocities high enough to penetrate ceramite armor. Adjusting the arms of the bow to be closer or further from the main barrel increases or decreases the power, accuracy, and recoil of the shot. Skilled riders can even turn their bodies around 180 degrees while retreating, to fire parting shots while their mount runs away from the battle. The armory will also contain lances, swords, or electrified throwing lances for other tasks. If an enemy attacks too fast for the rider to grab a weapon, the sagittar can strike out at its foe by kicking with its hydraulic legs.
 
In some ways, Interex sagittars act as highly mobile infantry as opposed to cavalry. Sagittars are stronger than a baseline human footsoldier, but their primary advantage over other elite troops — such as Astartes and Aspect Warriors — is their extreme mobility. Although sagittars can fight in traditional cavalry charges, the near ubiquitous presence of ranged weapons in the galaxy makes this a near-suicidal endeavor. Instead, the Interex use the superior mobility of their sagittars to outflank and outmaneuver slower opponents. This fits well with the general Interex policy of war, which was to dictate where and when a battle would occur such that battles would be fought under conditions that favored the Interex in order to minimize casualties on both sides. Although not as fast as an assault bike, under good conditions a sagittar can travel at speeds of up to 60 kilometers per hour, and unlike flesh-and-blood mounts sagittars do not get tired. Sagittar legs are also well-built to traveling over uneven terrain, as opposed to horses.
 
Because the sagittar’s mounts are an extension of themselves, rather than a separate animal, sagittars do not suffer from many of the typical weaknesses of biological cavalry; a sagittar cannot be startled as easily as a horse can because the only way to startle a sagittar is to startle the rider. However, sagittars do have some weaknesses. Because the rider of a sagittar has to be able to turn around to access the onboard armory, the armor has to be relatively light and flexible around the waist, making it a weak point. Since contact with the Imperium, the Interex have created models with heavier armor and more powerful weapons, but have never been able to fully eliminate this weakness. Additionally, because the rider sits above the fray of the battle, in close-combat conditions where the sagittar is unable to exploit its greater mobility, that same height which allows the sagittar to pick and choose its targets on the battlefield makes them an easy target for snipers or other high-powered ranged weaponry. If the legs are damaged, it is often possible to kill the rider before they can eject from their sagittar. Finally — and most importantly — although sagittars are good at offensive actions and hit-and-run attacks, they are not as effective when they are forced to stand and fight, whether they are forced into a position in which they cannot retreat or need to fortify and protect an objective. In the past, this is often when the Interex would call in the Kinebrach to supplement their sagittars as shock troops. Today this role is generally filled by other forces.
 
However, sagittar usage has never really caught on outside of the Interex and a few associated territories for a variety of reasons. First, sagittars occupy a rather awkward place in Imperial Tactics; sagittars are more expensive and more difficult to replace than flesh-and-blood cavalry such as horses, yet too slow for tactics used by heavy cavalry such as assault bikes and jetbikes. In some parts of the Imperium highly orthodox Mechanicus adepts will refuse to construct parts for sagittars, considering their machine spirits too close to A.I. for comfort (as they do the Legio Cybernetica), and since this simple intelligence is required for sagittar function no sagittars are made. Finally, sagittar fighting involves mastering an unusual set of tactics, including the ability to rapidly retreat and regroup from the battlefield when it becomes necessary. This is very different from typical Imperial tactics — particularly the Cadian doctrine, the most commonly followed military doctrine in the Imperium — which primarily focuses on the defense and holding of territory and aggressive action being undertaken primarily through artillery barrages. Sagittar fighting thus requires a very different mindset than is typically found among Imperial forces; one that is found only in groups such as the Armageddon Outriders or the inhabitants of the Pastoral Worlds. Nevertheless, a well-trained sagittar battalion is still a welcome sight for an Imperial commander on any battlefield.

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