
STRUCTURE
TYPICAL UNIT
Squad/Section
Platoon/Troop
Company/Battery/Squadron
Battalion/Cohort
Regiment/Brigade/Legion
Division
Corps
Field Army
TYPICAL NUMBERS
​
5-15
15-30
60-120
120-150
150-200
200-250
250-300
300+
TYPICAL COMMANDER
​
Corporal
Sergeant
Lieutenant
Captain
Major
Field Commander
Lt Commander
Commander
advanced structure
​
-
3 Squads make a Platoon/Troop
-
2 Platoons/Troops to make a Company/Battery/Squadron
-
2 Companies/Batteries/Squadrons to make a Battalion/Cohort
advanced structure (Cont.)
​
-
2 Battalion/Cohort to make a Regiment/Brigade/Legion
-
2 Regiment/Brigade/Legion to make a Division
-
2 Division to make a Corps
-
2+ Corps to make a Field Army
ranks
CHAIN OF COMMAND
​
-
Commander
-
Lt Commander
-
Field Commander
-
Major
-
Captain
officers
​
-
Senior Contractor
-
Contractor
-
Contractor Probee
-
Senior Lieutenant
-
Lieutenant
-
Jr. Lieutenant

non-commissioned officers
​
-
Senior Sergeant
-
Staff Sergeant
-
Sergeant
-
Corporal
enlisted
​
-
Specialist
-
Private
-
Initiate
