- Geneseed Imperfection: Due to Red Thirst genetic flaw, becomes temporarily berserk with bloodlust in melee.
- Heavy Infantry.
- Rapid response Jump Pack-enabled Marines meant to engage heavily armoured enemy threats.
- Deployed to the battlefield via Grav-Chutes.
- They can immediately surprise the enemy and let loose their Heavy Weapons.
- Equipped with an accelerator Autocannon, they can surpress the enemy, slowing their movement.
- Effective against Heavy Infantry and Light Vehicles.