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Sub-Officer

Navies Armies Air forces
Commissioned and Non-commissioned officers
Admiral of
the fleet
Marshal or
Field marshal
Marshal of
the air force
Admiral General Air chief marshal
Vice admiral Lieutenant general Air marshal
Rear admiral Major general Air vice-marshal
Commodore Brigadier or
Brigadier general
Air commodore
Captain Colonel Group captain
Commander Lieutenant colonel Wing commander
Lieutenant
commander
Major or
Commandant
Squadron leader
Lieutenant Captain Flight lieutenant
Sub-lieutenant Lieutenant or
First lieutenant
Flying officer
Ensign Second lieutenant Pilot officer
Midshipman Officer cadet Flight cadet
Enlisted grades
Warrant officer or
Chief petty officer
Warrant officer or
Sergeant major
Warrant officer
Petty officer Sergeant Sergeant
Leading seaman Corporal Corporal
Seaman Private Aircraftman

Sub-Officer, or the equivalent in other languages, is a term used in many armed forces used to indicate ranks below commissioned officers. Sub-officer is equivalent to the term warrant officer in the British Commonwealth and the United States. Historically armed forces using the term sub-officer have used it to refer to more senior non-commissioned ranks, typically from sergeant upwards, but the term often covers all ranks that other forces designate non-commissioned. In navies the term is comparable to petty officer.

There is a specific rank of "sub-officer" in some armed forces, in the UK Fire and Rescue Services, and in the Irish Fire Services.

In Argentina the term sub-officer (suboficial) formerly applied only to the more senior non-commissioned ranks. Now these ranks are known as "superior sub-officers" and lower ranks as "junior sub-officers". All the Argentine armed forces use Principal Sub-Officer (suboficial principal) and Higher Sub-Officer (suboficial mayor) as the second highest and highest non-commissioned ranks. The Navy and Air Force also use other "superior sub-officer" ranks.

Argentine Superior Sub-Officer Ranks:

In all three services of the Chilean Armed Forces, in the Carabineros de Chile and in the Chilean Gendarmerie, only two Sub-officer ranks are used:

These sub-officer ranks are the same in all the military and police services.

In France a sub-officer is sergeant (or equivalent) and above as well as the rank of student sub-officer. (The equivalents to sergeant are 2nd Master in the French navy, and Maréchal-des-logis in some army units (often abbreviated to "margi"), mostly cavalry and logistics arms, and most gendarmerie units.) Lower non-commissioned ranks, such as corporal and brigadier, are not considered sub-officers. Traditionally, French sub-officers are often recruited directly as sub-officers rather than rising from more junior ranks.


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