GIS Infantry

Assault Trooper: The most common unit after the slaves. The Assault troopers are the cornerstone of the entire Army of the Empire, represent the imperial power and supremacy and their desire to dominate the entire universe. They carry as a main weapon a laser rifle, as well as a pump shotgun as a secondary weapon, and 2 dual energy pistols, also they carry 2 thermal grenades and a handheld beam sword.
Heavy Trooper: Unit whose purpose is to provide heavy support to the infantry units, has a better armor, but less mobility. This unit carries a light laser machine gun which is responsible for annihilating the enemy infantry, also has a rocket launcher to provide anti-aircraft or anti-tank support.
Airbone Attack / Recon Soldiers: Airborne Soldiers are primarily spotters, recon forces and surgical strike specialists, using their speeds and maneuverability afforded to them by their specialist power armour and flight packs they can avoid enemy fire and detection as they point out weak points in enemy forces or call in strikes on specified locations. Normally they only carry a laser smg.
Imperial Command / Crimson Guard: The Crimson Guard are the shock troops and toughest soldiers in the Empire infantry forces. Armed with custom made Tachyon rifles capable of punching through any infantry armour and even engaging Armored Vehicles. Also equipped with heavy armour plates they can withstand heavy anti infantry fire, made to storm the thickest of defences and break through to enemy lines. Crimson Guard are well trained and are not to be taken lightly.
Purge Trooper: (Do not confuse it with the Purge Battalion) Flamethrower unit, mainly used to burn buildings or enemy troops alike, although it is also used to infuse terror into enslaved planets, where anyone who wishes to rebel or commit a crime is burned to later exhibit the cremated body in a public place.
Marksman / Spy: Unit specialized in infiltrating enemy territory to then systematically hunt enemy leaders or VIPs, they have an armor with a micro-processor with which the cloaking device is controlled.