NATO Symbol | Name | Nature | Strength | Constituent units | Expected war time rank of commander or leader |
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![](//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/NATO_Map_Symbol_-_Unit_Size_-_Region_or_Front.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Region_or_Front.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | combatant command or equivalent region theater | Command | 1,000,000–10,000,000 | 4+ major commands | OF-10+: grand marshal, generalissimo, general of the armies, or admiral of the navy | ![](//upload.wikimedia.org/wikipedia/commons/thumb/5/51/NATO_Map_Symbol_-_Unit_Size_-_Army_Group.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Army_Group.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | front or equivalent army group or land major command air forces command or air major command | Command | 400,000–1,000,000 | 2+ armies, navies, and/or air forces | OF-10: field marshal, general of the army, marshal of the air force, or admiral of the fleet | ![](//upload.wikimedia.org/wikipedia/commons/thumb/6/65/NATO_Map_Symbol_-_Unit_Size_-_Army.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Army.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | field army Numbered Air Force, tactical air force, or Air army numbered fleet or naval fleet | Command | 100,000–200,000 | 2–4 corps | OF-9: general, army general, colonel general, admiral, or air chief marshal | ![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/NATO_Map_Symbol_-_Unit_Size_-_Corps.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Corps.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | corps | Formation | 20,000–50,000 | 2+ divisions | OF-8: lieutenant general, corps general, vice admiral, or air marshal | ![](//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/NATO_Map_Symbol_-_Unit_Size_-_Division.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Division.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | division (army) division (naval) division (air) legion | Formation | 6,000–20,000 | 2–4 brigades or regiments | OF-7: major general, division general, rear admiral, division admiral, or air vice marshal | ![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9f/NATO_Map_Symbol_-_Unit_Size_-_Brigade.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Brigade.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | brigade squadron (naval) flotilla Wing | Formation | 3,000–5,000 | 2+ regiments or groups, or 3–8 battalions or equivalent | OF-6: brigadier, brigadier general, commodore, rear admiral (lower half), Flotilla Admiral, or air commodore OF-5: colonel (some countries in some instances only) | ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2f/NATO_Map_Symbol_-_Unit_Size_-_Regiment_or_Group.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Regiment_or_Group.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | Regiment Group (some CS and CSS arms) Group (Air or Aviation) a Capital ship | Unit | 1,000–3,000 | 2+ battalions or equivalent | OF-5: colonel, captain (naval), Ship-of-the-line captain, or group captain | ![](//upload.wikimedia.org/wikipedia/commons/thumb/d/d9/NATO_Map_Symbol_-_Unit_Size_-_Battalion.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Battalion.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | battalion or equivalent regiment (some countries for some arms only) squadron (US Cavalry) squadron (some countries for aviation) cohort a warship | Unit | 300–1,000 | 2–6 sub-units (companies or equivalent) | OF-4: lieutenant colonel, commander, frigate captain, or wing commander | ![](//upload.wikimedia.org/wikipedia/commons/thumb/1/12/NATO_Map_Symbol_-_Unit_Size_-_Company_or_Squadron_or_Battery.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Company_or_Squadron_or_Battery.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | company or equivalent artillery battery squadron (some countries for some arms only) U.S. cavalry troop centuria a minor warship shipboard department | Unit or Subunit | 80–250 | 2–8 platoons or equivalent | OF-3: Major, lieutenant commander, corvette captain, or squadron leader OF-2: captain OR-9: chief warrant officer or sergeant major | ![](//upload.wikimedia.org/wikipedia/commons/thumb/9/9d/NATO_Map_Symbol_-_Unit_Size_-_Staffel_%28Echelon%29_-_Germany.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Staffel_%28Echelon%29_-_Germany.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | echelon staffel shipboard department | Sub-subunit | 50-90 | 2 platoons/troops or 6-10 sections | OF-2: captain, staff captain, lieutenant (navy), or flight lieutenant OR-8: warrant officer or master warrant officer | ![](//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/NATO_Map_Symbol_-_Unit_Size_-_Platoon_or_Troop.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Platoon_or_Troop.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | platoon or equivalent troop (some countries for some arms only) section (French Army) flight | Sub-subunit | 26–55 | 2+ Section, or vehicles | OF-2: captain, lieutenant (navy), or flight lieutenant OF-1: lieutenant, first lieutenant, second lieutenant, sub-lieutenant, ensign, or flying officer OR-7: warrant officer | ![](//upload.wikimedia.org/wikipedia/commons/thumb/3/34/NATO_Map_Symbol_-_Unit_Size_-_Section.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Section.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | section patrol | - | 8–24 | 1–2+ squads or 3–6 fireteams | OR-6: staff sergeant, chief petty officer, or petty officer first class OR-5: sergeant | ![](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/NATO_Map_Symbol_-_Unit_Size_-_Detachment_or_Squad.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Detachment_or_Squad.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | squad or crew | - | 8–12 | 2–3 fireteams | OR-5: sergeant or petty officer OR-4: corporal | ![](//upload.wikimedia.org/wikipedia/commons/thumb/2/22/NATO_Map_Symbol_-_Unit_Size_-_Team_or_Crew.svg/75px-NATO_Map_Symbol_-_Unit_Size_-_Team_or_Crew.svg.png)
![](//upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg/75px-Military_Symbol_-_Friendly_Unit_%28Solid_Light_1.5x1_Frame%29-_Unspecified_or_Composite_All-Arms_%28NATO_APP-6%29.svg.png) | fireteam team detail | - | 2-4 | n/a | OR-2 to OR-4: Junior NCO |
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