Junior 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.

Comparative military ranks
Armies,
air forces
(non-Commonwealth),
space forces		 Navies,
coast guard		 Air forces
(Commonwealth system)
Flag commissioned officers
Field marshal or
general of the army or
general of the air force		 Admiral of
the fleet or
grand admiral		 Marshal of the air force
General or
colonel general or
army general		 Admiral or
general admiral		 Air chief marshal
Lieutenant general or
army corps general		 Vice admiral Air marshal
Major general or
divisional general		 Rear admiral or
Counter admiral		 Air vice-marshal
Brigadier or
brigadier general		 Commodore or
flotilla admiral		 Air commodore
Senior commissioned officers
Colonel Captain Group captain
Lieutenant colonel Commander Wing commander
Major or
commandant		 Lieutenant
commander		 Squadron leader
Junior commissioned officers
Captain Lieutenant Flight lieutenant
Lieutenant or
first lieutenant		 Lieutenant
junior grade or
sub-lieutenant		 Flying officer
Second lieutenant or
junior lieutenant		 Ensign or
midshipman		 Pilot officer
Officer cadet Officer cadet Flight cadet
Non-commissioned officers
Warrant officer or
sergeant major		 Warrant officer or
chief petty officer		 Warrant officer
Sergeant Petty officer Sergeant
Enlisted ranks
Corporal or
bombardier or
specialist		 Leading seaman Corporal or leading aircraftman
Private or
gunner or
trooper or
sapper		 Seaman Aircraftman or
airman or
aviator

The terms company officer or company-grade officer are used more in the Army, Air Force, or Marine Corps as the ranks of captain, lieutenant grades and other subaltern ranks originated from the officers in command of a company or equivalent (cavalry squadron/troop and artillery battery).[1]

In many armed forces, a junior officer is specifically a commissioned officer holding rank equivalent to a naval lieutenant, an army captain or a flight lieutenant or below.

In the United States Armed Forces, the term junior officer is used by the Navy, Coast Guard, Public Health Service, and NOAA Corps for officers in the ranks of chief warrant officer (W-2 to W-4), ensign (O-1), lieutenant (junior grade) (O-2), lieutenant (O-3), and lieutenant commander (O-4).

See also

References
  1. Dorosh, Michael A. "Rank and Responsibility". canadiansoldiers.com: The Canadian soldier in the 20th Century. Self-published by author. Retrieved 31 January 2013.


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