Squadron - 3 Patrols (12 Troops) (Led by Rank 3) Platoon - 3 Squadrons (36 Troops + 1 Command Element) (Led by Rank 3) Company - 2 Platoons (74 Troops + 1 Command Element) (Led by Rank 4: Code Named Operative) Battalion - 2 Comapanies (150 Troops + 1 Command Element) (Led by Rank 4: Code Named Operative) Regiment - 2 Battalions (300-350 Troops + 1 Command Elements) (Led by Rank 5: Code Named Operative) Brigade - 4 Regiments (1200-1500 Troops + 2 Command Elements) (Led by Rank 5: Code Named Operative) Division - 3 Brigades (4500 Troops + 2 Command Elements) (Led by Rank 6/7 - Divisional CO or XO)