Mercury MCY-98
The Com Guards simply paint their vehicles white for official occasions and use appropriate camouflage for combat.Per FM: ComStar, page 17.Other references: Black Knight, FM: Comstar (plate 2) Archer, Battle of Tukayyid (p 167) King Crab, Battle of Tukayyid (p 178)
Insignia:
The insignia of the Twelfth Army shows a shield propped up on a broadsword. Per FM: ComStar, page 42.