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


US DoD Pay Grade O-10 O-9 O-8 O-7 O-6 O-5 O-4 O-3 O-2 O-1
Insignia
Title General of the Army General Lieutenant General Major General Brigadier General Colonel Lieutenant Colonel Major Captain First Lieutenant Second Lieutenant
Abbreviation GA GEN LTG MG BG COL LTC MAJ CPT 1LT 2LT
NATO Code OF-10 OF-9 OF-8 OF-7 OF-6 OF-5 OF-4 OF-3 OF-2 OF-1
U.S. DoD Pay Grade E-9 E-8 E-7 E-6 E-5 E-4 E-3 E-2 E-1
Insignia No Insignia
Title Sergeant Major of the Army Command Sergeant Major Sergeant Major First Sergeant Master Sergeant Sergeant First Class Staff Sergeant Sergeant Corporal Specialist Private First Class Private Private
Abbreviation SMA CSM SGM 1SG MSG SFC SSG SGT CPL SPC ² PFC PV2 ¹ PV1 ¹
NATO Code OR-9 OR-9 OR-9 OR-8 OR-8 OR-7 OR-6 OR-5 OR-4 OR-4 OR-3 OR-2 OR-1
¹ PVT is also used as an abbreviation for both Private ranks when pay grade need not be distinguished
² SP4 is sometimes encountered as an abbreviation for Specialist. This is a holdover from when there were additional specialist ranks at higher pay grades.