Military Rank Equivalence

Rank Ladder Highest first

🇦🇷 Argentina · Army	NATO equivalent	Chile · Army 🇨🇱
Officers
Teniente general	OF-9 General	General de ejército
General de división	OF-8 Lieutenant General	General de división
General de brigada	OF-7 Major General	General de brigada
Coronel mayor	OF-6 Brigadier General	Brigadier
Coronel	OF-5 Colonel	Coronel
Teniente coronel	OF-4 Lieutenant Colonel	Teniente coronel
Mayor	OF-3 Major / Commandant	Mayor
Capitán	OF-2 Captain / 1st Lieutenant	Capitán
Teniente primero Teniente	OF-1 Lieutenant	Teniente Subteniente Alférez
Subteniente	OF-D Student Officer	No equivalent
Enlisted ranks
Suboficial mayor	OR-9 Sergeant Major	Suboficial mayor
Suboficial principal	OR-8 1st Sergeant	Suboficial
Sargento ayudante	OR-7 Sergeant 1st Class	Sargento primero
Sargento primero	OR-6 Staff Sergeant	Sargento segundo
Sargento	OR-5 Sergeant	Cabo primero
Cabo primero	OR-4 Corporal	Cabo segundo
Cabo	OR-3 Private 1st Class	Cabo
Voluntario primero	OR-2 Private	No equivalent
Voluntario segundo Soldado de segunda en comisión	OR-1 Private	Soldado de tropa profesional

Tiers neither force uses are hidden. An OF/OR code held by only one of the two is kept and marked — a missing tier is itself a difference in how the two hierarchies are built.