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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.In most armies this corresponds to the ranks of major, lieutenant colonel and colonel, or their equivalents. Some countries also include brigadier in the definition.
Historically, a regiment or battalion's field officers made up its command element.
In the Canadian Armed Forces, the equivalent of field officers are senior officers (French : 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.
In the French Forces, field officers are called officiers supérieurs (Senior Officers). 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.
In the German forces, officers from Major to Colonel in the Army and Air Force, or from Lieutenant Commander to Captain in the Navy are known as Stabsoffiziere which is translated as Staff Officers.
Field officer (Russian : Штаб-офицер, Shtabofitser; derived from German : Stabsoffizier; translation en: Field officer), was the designation of a particular officers rank category (OF-3 to OF-5) of the Russian Imperial Army and Navy until 1917.
|Designation||Nevsky 1st infantry regiment||Ivanogorodsky 99th IR|
|rank|| Polkovnik |
| Podpolkovnik |
| Major |
|rank category||Field Officers (Штаб-офицеры; Shtabofitsery)|
The British Army (in which these officers are called officers of field rank), and some others in the Commonwealth (including the Australian Army and New Zealand Army), also include the brigadier in this category: the equivalent in other armies is a general officer (the brigadier general).
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 [U.S.] officer corps is divided into 10 Commissioned Officer pay grades (O-1 through O-10) and 5 Warrant Officer pay grades (WO1 through CW5):
- Officers in pay grades O-1 through O-3 are considered junior, or company grade, officers in the Army, Marine Corps, and Air Force, and are referred to as junior grade in the Navy. These pay grades correspond to the ranks of: second lieutenant (O-1), first lieutenant (O-2), captain (O-3) as well as Warrant Officer 1 (WO1) and Chief Warrant Officer 2 (CW2).
- Commissioned Officers in the next three pay grades (O-4 through O-6) are considered field grade officers in the Army, Marine Corps, and Air Force. These pay grades correspond to the ranks of: major (O-4), lieutenant colonel (O-5), colonel (O-6). The divisions of company grade and field grade have equivalent groupings in the Navy or Coast Guard, namely junior-grade officers and mid-grade officers.
- In the Navy or Coast Guard, officers in pay grades O-1 through O-4 are considered junior officers: ensign, lieutenant junior grade, lieutenant, lieutenant commander.
- In the Navy or Coast Guard, officers in the following pay grades (O-5 and O-6) are considered mid-grade officers: commander and captain.
The highest four pay grades are reserved for general officers in the Army, Marine Corps, and Air Force, and flag officers in the Navy and Coast Guard. The ranks associated with each pay grade are as follows: in the Army, Marine Corps, and Air Force, brigadier general (O-7), major general (O-8), lieutenant general (O-9), and general (O-10); in the Navy and Coast Guard, rear admiral-lower half, rear admiral-upper half, vice admiral, and admiral.
A general officer is an officer of high rank in the army, and in some nations' air forces or marines.
Military ranks or Military leadership are a system of hierarchical relationships in armed forces, police, intelligence agencies or other institutions organized along military lines. The military rank system defines dominance, authority, and responsibility in a military hierarchy. It incorporates the principles of exercising power and authority into the military chain of command – the succession of commanders superior to subordinates through which command is exercised. The military chain of command constructs an important component for organized collective action.
Brigadier is a military rank, the seniority of which depends on the country. In some countries, it is a senior rank above colonel, equivalent to a brigadier general, typically commanding a brigade of several thousand soldiers. In other countries, it is a non-commissioned rank.
Brigadier general or brigade general is a senior rank in the armed forces. It is the lowest ranking general officer in some countries, usually sitting between the ranks of colonel and major general. When appointed to a field command, a brigadier general is typically in command of a brigade consisting of around 4,000 troops. In some countries a brigadier general is informally designated as a one-star general (OF-6).
Commandant is a title often given to the officer in charge of a military training establishment or academy. This usage is common in English-speaking nations. In some countries it may be a military or police rank. It is also often used to refer to the commander of a military prison or prison camp.
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.
A flag officer is a commissioned officer in a nation's armed forces senior enough to be entitled to fly a flag to mark the position from which the officer exercises command.
The South African National Defence Force's rank system is largely based on the British system, with the Air Force sharing the Army rank titles. Rank titles changed over time as did the insignia.
Rank insignia in the French Army are worn on the sleeve or on shoulder marks of uniforms, and range up to the highest rank of Marshal of France, a state honour denoted with a seven-star insignia that was last conferred posthumously on Marie Pierre Koenig in 1984.
A general denotes the most senior general-grade officer; it is the highest achievable commissioned officer rank that may be attained in the United States Armed Forces, with exception of the Navy (whom are referred to as Admiral. The official and formal insignia of General is defined by its four-stars.
In the United States uniformed services, captain is a commissioned-officer rank. In keeping with the traditions of the militaries of most nations, the rank varies between the services, being a senior rank in the naval services and a junior rank in the ground and air forces.
An officer of three-star rank is a senior commander in many of the armed services holding a rank described by the NATO code of OF-8. The term is also used by some armed forces which are not NATO members. Typically, three-star officers hold the rank of vice admiral, lieutenant general, or in the case of those air forces with a separate rank structure, air marshal.
Scrambled eggs or scrambled egg is a slang term for the typically leaf-shaped embellishments found on the visors of peaked caps worn by military officers and for the senior officers who wear them. The phrase is derived from the resemblance that the emblems have to scrambled eggs, particularly when the embellishments are gold in color.
In the United States, commander is a military rank that is also sometimes used as a military billet title—the designation of someone who manages living quarters or a base—depending on the branch of service. It is also used as a rank or title in non-military organizations; particularly in law enforcement.
A general officer is an officer of high military rank; in the uniformed services of the United States, general officers are commissioned officers above the field officer ranks, the highest of which is colonel in the Army, Marine Corps, and Air Force and captain, in the Navy, Coast Guard, Public Health Service Commissioned Corps (PHSCC), and National Oceanic and Atmospheric Administration Commissioned Corps (NOAACC).
Commandant is a military or police rank. In the French, Spanish, Irish and Monegasque armed forces it is a rank equivalent to major while in Belgium it is a unique rank. In South Africa for most of the second half of the 20th century, commandant was a rank equivalent to lieutenant-colonel.
Major general is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a lieutenant general outranking a major general and a major outranking a lieutenant.
Rank insignia in the French air force are worn on the sleeve or on shoulder marks of uniforms
Major in France, is a senior superior military rank across various military and security institutions with history dating back well beyond the 18th century.