| APP-6A Symbol |
Name |
No. of personnel |
No. of subordinate units |
Unit leader |
| XXXXXX |
region or theater or front |
200,000 + |
2+ army groups |
general or army general or field marshal |
| XXXXX |
army group |
100,000 + |
2+ armies |
general or army general or field marshal |
| XXXX |
army |
50,000-60,000+ |
2+ corps |
colonel general or general or army general |
| XXX |
corps |
30,000-50,000+ |
2+ divisions |
lieutenant general |
| XX |
division |
10,000–20,000 |
2-4 brigades or regiments |
major general |
| X |
brigade |
3000–5000 |
2+ regiments or 3–6
battalions or Commonwealth regiments |
brigadier general, brigadier or colonel |
| III |
regiment or group |
2000–3000 |
2+ battalions or U.S. Cavalry squadrons |
colonel |
| II |
battalion, U.S. Cavalry squadron or Commonwealth regiment |
300–1000 |
2–6 companies, batteries, U.S. Cavalry troops, or Commonwealth squadrons |
lieutenant colonel |
| I |
company, artillery battery, U.S. Cavalry troop or Commonwealth squadron |
70–250 |
2–8 platoons or Commonwealth troops |
chief warrant officer and captain or major |
| ••• |
platoon or Commonwealth troop |
25–60 |
2+ squads, sections, or vehicles |
warrant officer and first or second lieutenant |
| •• |
section or patrol |
8–12 |
2+ fireteams |
corporal to staff sergeant |
| • |
squad or crew |
8–16 |
2+ fireteams or 1+ cell |
corporal to staff sergeant |
| Ø |
fireteam |
4–5 |
n/a |
lance corporal to sergeant |
| Ø |
fire and maneuver team |
2 |
n/a |
any/Private First Class |