Army Structure Comparison

Name region, theater army group, front army corps division brigade regiment or group infantry battalion infantry company platoon or Commonwealth troop section or patrol squad or crew fireteam fire-manoeuvre team

Nature Command Command Command Formation Formation Formation Formation Unit Sub Unit Sub-sub Unit Sub-sub Unit Sub-sub Unit Sub-sub Unit Sub-sub Unit

Strength 1,000,000–10,000,000 400,000–1,000,000 100,000–200,000 40,000–80,000 10,000–30,000 3,000–5,000 1,000–3,000 300–1,300 80–250 26–55 8–13 8–13 4 4

Constituent units 4+ army groups 2+ armies 2–4 corps 2+ divisions 2–4 brigades 2+ regiments, 3–6 battalions  2+ battalions 2–6 companies, batteries 2–8 platoons 2+ squads, sections 2+ fireteams 2+ fireteams n/a n/a

Symbol (for Army structure comparison)	Unit Name (USAF/RAF/Other air forces)	No. of personnel	No. of aircraft	No. of subordinate units (USAF/RAF)	Officer in command (USAF/RAF)
XXXXXX +	Air Force	Entire air force	Entire air force	All Major Commands /Commands	Gen / MRAF orAir Chf Mshl
XXXXX	Major Command / Command or Tactical Air Force / Russian Air army[8]	Varies	Varies	By Region or Duty (subordinate units varies)	Gen / Air Chf Mshl or Air Mshl
XX	Numbered Air Force / No RAF Equivalent /Aviation Division /Air Division / Air Brigade	By Region (subordinate units varies)	Varies	2+ Wing / Groups	Maj-Gen / N/A
X	Wing / Group (inc. EAGs) / Russian aviation brigade	1,000–5000	48–100	2+ Groups / Wings	Brig-Gen / AVMor Air Cdre
III	Group / Wing (inc. EAWs) or Station/ Russian aviation regiment	300–1,000	17–48	3–4 Squadrons / 3–10Flights	Col / Gp Capt orWg Cdr
II	Squadron	100–300	7–16	3–4 Flights	Lt Col or Maj /Wg Cdr or Sqn Ldr
•••	Flight	20–100	4–6	2 Sections plus maintenance and support crew	Capt / Sqn Ldror Flt Lt
••	Element or Section	5–20	n/a	n/a	Junior Officer orSenior NCO
•	Detail	2–4	n/a	n/a	Junior NCO