NATO ranks

The NATO rank system uses OR (Other Ranks) codes for enlisted and NCOs, and OF (Officers) for officers. It is an equivalence grid between nations: an Italian OR-5 is functionally analogous to a Polish, Ukrainian, US OR-5. The grid does not standardise national rank names, only hierarchical positions.

NATO STANAG codes

STANAG 2116 defines 9 codes for enlisted and NCOs (OR-1 → OR-9) and 9 codes for officers (OF-1 → OF-9). Above sit 5-star generals (OF-10), rare in modern forces.

Enlisted and NCOs (OR)

Code	EN	IT	PT-BR	FR
OR-1	Private (recruit)	Soldato	Recruta	Soldat
OR-2	Private	Soldato scelto	Soldado	Soldat 1ʳᵉ classe
OR-3	Private First Class	Caporale	Cabo	Caporal
OR-4	Corporal / Specialist	Caporal maggiore	Cabo maior	Caporal-chef
OR-5	Sergeant	Sergente	Sargento	Sergent
OR-6	Staff Sergeant	Sergente maggiore	1º Sargento	Sergent-chef
OR-7	Sergeant First Class	Sergente maggiore capo	Subtenente	Adjudant
OR-8	Master Sergeant	Primo maresciallo	Sargento-mor	Adjudant-chef
OR-9	Sergeant Major	Primo maresciallo luogotenente	Suboficial	Major

Officers (OF)

Code	EN	IT	PT-BR	FR
OF-1	Lieutenant / 2nd LT	Tenente	Tenente	Lieutenant
OF-2	Captain	Capitano	Capitão	Capitaine
OF-3	Major	Maggiore	Major	Commandant
OF-4	Lieutenant Colonel	Tenente colonnello	Tenente-coronel	Lieutenant-colonel
OF-5	Colonel	Colonnello	Coronel	Colonel
OF-6	Brigadier General	Generale di brigata	General de brigada	Général de brigade
OF-7	Major General	Generale di divisione	General de divisão	Général de division
OF-8	Lieutenant General	Generale di corpo d'armata	General de exército	Général de corps d'armée
OF-9	General	Generale	General	Général d'armée

Ukrainian NCO ranks

Ukraine completed a post-2018 NCO reform to align with NATO. The current system combines former-Soviet nomenclature with new master/senior master sergeant ranks.

UA rank	Translation	NATO equivalent
Soldato (Солдат)	Soldato	Equivalente OR-1/2
Молодший сержант	Sergente junior	OR-5
Сержант	Sergente	OR-5/6
Старший сержант	Sergente senior	OR-6/7
Старшина	Maresciallo	OR-7/8
Майстер-сержант	Master Sergeant	OR-8 (introdotto post-2018)
Головний майстер-сержант	Senior Master Sergeant	OR-9

What matters on the ground

Recognise the rank of your host unit's commander
Know whether someone giving you an order is an officer (OF) or an NCO (OR) — communication style differs
Do not address anyone by rank on radio (callsign, not rank)
Do not assume parallel ranks are functionally equivalent: a Ukrainian company captain has more authority over you than a foreign colonel with no role in the chain
Do not self-attribute ranks the host unit does not recognise

Lessons learned Ukraine

Volunteers with Western NCO background (Marines, Army, Légion) are the most sought-after because they bring tactical competence without office-chain rigidity. The OR/OF distinction is functional, not social — the effective leader of an 8-person team is often an OR-6/7, not the assigned officer. Understanding this operational reality matters more than memorising all 18 NATO rank names.