Field officer

field gradefield officersfield grade officerfield grade officersfield rankfield-gradesenior officerssenior officerfieldField-grade officer
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.wikipedia
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General officer

GeneralgeneralsGen.
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.
Lower-ranking officers in land-centric military forces are typically known as field officers or field-grade officers, and below them are company-grade officers.

Junior officer

company-grade officercompany gradecompany-grade
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.
Junior officer, company officer or company grade officer refers to the lowest operational commissioned officer category of ranks in a military or paramilitary organization, ranking above non-commissioned officers and below senior officers.

Major

chef de bataillonMaj.Maj
In most armies this corresponds to the ranks of major, lieutenant colonel and colonel, or their equivalents.
It is considered the most junior of the field officer ranks.

Brigadier

Brig.BrigBrigadier General
Some countries also include brigadier in the definition.
In many countries, especially those formerly part of the British Empire, a brigadier is either the highest field rank or most junior general appointment, nominally commanding a brigade.

Military rank

rankwar substantivetemporary
In most armies this corresponds to the ranks of major, lieutenant colonel and colonel, or their equivalents. In the Canadian Armed Forces, the equivalent of field officers are senior officers (Officiers supérieurs); they include the army and air force ranks of Major, Lieutenant-Colonel, and Colonel, and the naval ranks of Lieutenant-Commander, Commander, and Captain.
Field officers, also called "field-grade officers" or "senior officers", are officers who typically command units that can be expected to operate independently for short periods of time (i.e., infantry battalions, cavalry or artillery regiments, warships, air squadrons).

Lieutenant colonel (United States)

Lieutenant ColonelLt. Col.LTC
Today, a field officer in the United States (here called field grade) Army, Marine Corps, and Air Force is typically a major, lieutenant colonel, or a colonel:
In the United States Army, U.S. Marine Corps, and U.S. Air Force, a lieutenant colonel is a field-grade military officer rank just above the rank of major and just below the rank of colonel.

Colonel (United States)

ColonelCol.Col
Today, a field officer in the United States (here called field grade) Army, Marine Corps, and Air Force is typically a major, lieutenant colonel, or a colonel:
In the United States Army, Marine Corps, and Air Force, colonel is the most senior field grade military officer rank, immediately above the rank of lieutenant colonel and just below the rank of brigadier general.

Major (United States)

MajorMaj.Maj
Today, a field officer in the United States (here called field grade) Army, Marine Corps, and Air Force is typically a major, lieutenant colonel, or a colonel:
In the United States Army, Marine Corps, and Air Force, major is a field grade military officer rank above the rank of captain and below the rank of lieutenant colonel.

United States Air Force

U.S. Air ForceAir ForceUSAF
Today, a field officer in the United States (here called field grade) Army, Marine Corps, and Air Force is typically a major, lieutenant colonel, or a colonel:
The commissioned officer ranks of the USAF are divided into three categories: company grade officers, field grade officers, and general officers.

Army

armiesground forcesLand force
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.

Marines

Marine CorpsMarinenaval infantry
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.

Air force

airAir Forcesairforce
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.

Officer (armed forces)

officercommissionedofficers
A field officer, field-grade officer, or senior officer is an army, marine, or air force commissioned officer senior in rank to a company officer but junior to a general officer.

Colonel

Col.Honorary ColonelCol
In most armies this corresponds to the ranks of major, lieutenant colonel and colonel, or their equivalents. There are three ranks, in ascending order : Commandant, Lieutenant-colonel and Colonel (Capitaine de corvette, Capitaine de frégate and Capitaine de vaisseau in the naval forces), while brigadiers rank among officiers généraux.

Regiment

Infantry Regimentregimentalregiments
Historically, a regiment or battalion's field officers made up its command element.

Battalion

infantry battalionRegimentbattalion commander
Historically, a regiment or battalion's field officers made up its command element.

Canadian Armed Forces

Canadian ForcesCanadian militarymilitary
In the Canadian Armed Forces, the equivalent of field officers are senior officers (Officiers supérieurs); they include the army and air force ranks of Major, Lieutenant-Colonel, and Colonel, and the naval ranks of Lieutenant-Commander, Commander, and Captain.

Lieutenant-commander (Canada)

lieutenant-commanderLieutenant CommanderLCDR
In the Canadian Armed Forces, the equivalent of field officers are senior officers (Officiers supérieurs); they include the army and air force ranks of Major, Lieutenant-Colonel, and Colonel, and the naval ranks of Lieutenant-Commander, Commander, and Captain.

Commander (Canada)

CommanderCdr.Commanding Officer
In the Canadian Armed Forces, the equivalent of field officers are senior officers (Officiers supérieurs); they include the army and air force ranks of Major, Lieutenant-Colonel, and Colonel, and the naval ranks of Lieutenant-Commander, Commander, and Captain.

Captain (naval)

CaptainCapt.captains
In the Canadian Armed Forces, the equivalent of field officers are senior officers (Officiers supérieurs); they include the army and air force ranks of Major, Lieutenant-Colonel, and Colonel, and the naval ranks of Lieutenant-Commander, Commander, and Captain.

French Armed Forces

French militarymilitaryFrench
In the French Forces, field officers are called officiers supérieurs (Senior Officers).

Commandant

ComandanteKommandantChef de Bataillon
There are three ranks, in ascending order : Commandant, Lieutenant-colonel and Colonel (Capitaine de corvette, Capitaine de frégate and Capitaine de vaisseau in the naval forces), while brigadiers rank among officiers généraux.

Lieutenant colonel

Lieutenant-ColonelLt. Col.Lt. Colonel
In most armies this corresponds to the ranks of major, lieutenant colonel and colonel, or their equivalents. There are three ranks, in ascending order : Commandant, Lieutenant-colonel and Colonel (Capitaine de corvette, Capitaine de frégate and Capitaine de vaisseau in the naval forces), while brigadiers rank among officiers généraux.

Corvette captain

Capitano di corvettaCapitaine de corvetteKorvet Kaptanı
There are three ranks, in ascending order : Commandant, Lieutenant-colonel and Colonel (Capitaine de corvette, Capitaine de frégate and Capitaine de vaisseau in the naval forces), while brigadiers rank among officiers généraux.

Frigate captain

Capitaine de frégateCaptain 2nd RankCapitano di Fregata
There are three ranks, in ascending order : Commandant, Lieutenant-colonel and Colonel (Capitaine de corvette, Capitaine de frégate and Capitaine de vaisseau in the naval forces), while brigadiers rank among officiers généraux.