Game in the Brain

This is from the Strategikon (check the link on the left)

8 Strategos (General)
7 Merarch, Hypo Strategos (Lieutenant General)
6 Moirarch (Infantry Brigadier), Dux (Cavalry Brigadier), Chiliarchs,Taxiarchs
5 Count (Cavalry Major), Tribune (Infantry Major)
4 Hekatonarch aka Centurion (Captain)
3 Illarch (Liutenant) 2nd in command to the Hekatonarch, or a Pentatonarch (Leads half a Century)
2 Dekarch (Sergeant)
1 Pentarch (Corporeal), Tetrarch,

The basic Status of Infantry is Status -1
the basic Status of Infantry Private Retainers (aka Bucellari) is Status 0.
The basic Status of Cavalry is Status 1

Specialist Army Roles.
Optimates. The Best Men
Medical Corpsmen
Outflanker
Flank Guards
Assault Troops.
Reconnoiters
Defenders. (defensive units)
Quartering Parties
Surveyors

Army Groupings
Tagma (Army; Led by Strategos) = 3 Meros (Divisions)
Meros (Division; led by Merarch) = 3 Moiras (Brigades)
Moiras (Brigades; Led by Moirarch) = 2 to 6 Bandons/Tagmas (Regiments)
Bandons (Regiment; Led by Counts or Tribunes) = 3 to 4 Centuries/ Hekatons (one is latin the other is greek of the same term).
Century/ Hekaton (Led by a Hekatonarch) = 10 Contuberi.
Contubernium (led by a Dekarch) = Dekarch, 7 men, and 2 servants*