The Imperial Stars' primarily wear purple coloured Power Armor. The Aquila or Imperialis on the chest plate is gold in colour. The white coloured squad specialty symbol -- (Tactical, Assault, Devastator, or Veteran) -- is indicated on the right shoulder guard. A black coloured Roman numeral centred upon the squad specialty symbol designates squad number. The colour of the shoulder pad trim displays Company designation in accordance with the Codex Astartes -- i.e. White (1st Company), Yellow (2nd Company), Red (3rd Company), etc.