The Consortium's approach to war mirrors its approach to all things: the pursuit of economic efficiency. War is expensive and disrupts trade, and therefore the Consortium seeks to fight short wars where they emerge with a favorable settlement. While Consortium military corporations occasionally involve themselves in long-term confrontations, these are almost always small affairs, where what they charge their clients is always more than the costs of fighting. Large-scale conflicts are a drain on resources and are never profitable, and so the Consortium's military doctrine involves ending these conflicts decisively and quickly, while keeping costs as low as possible. Thusly, military corporations working exclusively for the Consortium have developed their forces to deploy rapidly in overwhelming force. Oftentimes, the Consortium will eschew planetary engagement in favor of orbital bombardment. Uniquely among the great powers, the Consortium's military and diplomatic efforts are required to work side-by-side at all times: while the military goes to war, the diplomats attempt to negotiate an end to the fighting that is acceptable to the Consortium.
The Consortium's small size with respect to its potential rivals makes it far more dependent on machines, and its military is no different. The Consortium military is the most mechanized in the galaxy, excluding the armies of the Cog Lords. The Consortium does not use biological infantry, instead replacing them with more durable mechanical counterparts. Operating with primitive, heavily-governed AIs to avert a revolt, these machine units are incapable of making the same number of decisions a biological counterpart may, and so have a limited number of responses when not linked up to a sapient governor. As governors such as brain bots are expensive to keep on the battlefield oftentimes Consortium machines are given simple orders, mostly just to eradicate any enemies they identify. This fits with the Consortium's general strategy of dissuading opponents from armed conflict.
The Consortium's military assets are highly specialized. Particular combat machines are built to deal with specific threats, and are generally incapable of dealing with any threats they are not designed to fight. This decreases the costs and complexity of a particular unit without sacrificing efficacy, allowing for mass production and ease of battlefield repair. This does not mean that Consortium units are cheap; indeed, they are still more expensive than their Federal and Imperial counterparts. Specialization also promotes efficiency: Consortium commanders are encouraged to use only what is necessary to win an engagement, nothing more. Redundancy is a waste.
The governing mantra of the Consortium's PMCs is "knowledge is power." The Consortium focuses on gaining battlefield intelligence, whether it be troop movements, enemy positions and unit composition, or even enemy financial expenditures. Early in the game, the Consortium player is provided with units that encourage staying back and observing the battlefield environment. Cheap defenses can be established which can repel most attacks from early game units, although these defenses cannot be expected to hold up in the mid game. The Consortium's first units are fragile for their cost, but quick, and the Consortium has aerial observation drones available to it very early in the game. Consortium infantry is more durable, but slow; it would be impractical to rush with them.
In the mid game, the Consortium player should have enough information to make an attack. The Consortium's light vehicles afford greater mobility to their infantry and provide potent mobile firepower. However, these assets must be used wisely: they are not cheap, and their armor is fairly thin. Attacking in the right place could defeat the opponent right then and there, but attacking in the wrong place could be a mistake that is impossible to recover from. However, greater observation abilities become available to the Consortium player in the mid game, allowing him to rebound if he makes the right choices.
In the late game, the Consortium's units make a wide divergence. One set of units are designed specifically for assault, and are quick and pack a big punch, at the expense of armor. Another set are practically mobile bunkers, and are intended to augment the more advanced defenses of the Consortium's base. Because of the costs of each approach, it is unlikely that a player can pursue both paths at once to their fullest extent. The player must make a choice: attack or defend. Whatever choice they make, the Consortium's roster of units and abilities allow for a great diversity of approaches, but the player must choose wisely based on the information they have gathered.