The Third legion of the Star Army of Yamatai is based on Daichi (at Fort Shotou) and is primarily composed of assets formerly under the Second Expeditionary Fleet. It was formed in YE 32 under the command of Shingai Taku Chujo.

The Star Army Infantry's job is to combat the enemy outside of starships. Recognizable by their midnight blue colored panels, these tough and numerous soldiers typically wear power armors and fight both in space and on planets.

• 60 Type 31 Dropship
• 30,000 NH-29 soldiers, each with Daisy Power Armor
• 500 Yusou Type 33 Grav-APC
• 100 Type 31 "Troll" Tanks
• 100 Type 30 Light Utility Truck
• 100 Type 30 Surface Terrain Vehicle
• 25 Recovery STV
• A large number of Type 33 Prefab Outpost Modules modules of various types