Petty Officer

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Common military ranks
Navies1	Armies2	Air Forces3
Admiral of the Fleet	Field Marshal	Marshal of the Air Force
Admiral	General	Air Chief Marshal
Vice Admiral	Lt. General	Air Marshal
Rear Admiral	Major General	Air Vice-Marshal
Commodore	Brigadier	Air Commodore
Captain	Colonel	Group Captain
Commander	Lt. Colonel	Wing Commander
Lt. Commander	Major	Squadron Leader
Lieutenant	Captain	Flight Lieutenant
Sub-Lieutenant	Lieutenant	Flying Officer
Warrant Officer	Sergeant Major	Warrant Officer
Petty Officer	Sergeant	Sergeant
Leading Rate	Corporal	Corporal
Seaman	Private	Aircraftman
1 in the English-speaking world          2 also some Air Forces 3 In many Commonwealth countries

A Petty Officer is a noncommissioned officer or equivalent in many navies.

Contents 1 Canada 2 United Kingdom 3 United States 4 See also

[edit] Canada

There are two Petty Officer ranks in the Canadian Navy. Petty Officer 2nd Class (PO2) (Maître de deuxième classe or m2 in French) is equivalent to a Sergeant and Petty Officer 1st Class (PO1) (Maître de première classe or m1) is equivalent to a Warrant Officer.

Petty Officers are normally addressed as "Petty Officer Bloggins" or "PO Bloggins", thereafter as "PO". The "1st Class" and "2nd Class" designations are normally only used when such a distinction needs to be made, such as on a promotion parade or to distinguish two Petty Officers with similar names but different ranks.

[edit] United Kingdom

In the Royal Navy, the rank of Petty Officer comes above that of Leading Rating and below that of Chief Petty Officer. It is the equivalent of Sergeant in the Royal Marines, British Army and Royal Air Force. Petty Officer is the lowest of the Senior Rating grades. Petty Officers, like all senior rates, wear fore and aft rig.

	Ratings and Other Ranks of the British Armed Forces
	OR-1	OR-2	OR-3	OR-4	OR-5/OR-6	OR-7	OR-8	OR-9
Royal Navy:		AB		LH	PO	CPO	WO2	WO1
Royal Marines:		Mne	LCpl	Cpl	Sgt	CSgt	WO2	WO1
Army:	Pte	Pte	LCpl	Cpl	Sgt	SSgt / CSgt	WO2	WO1
Royal Air Force:	AC	LAC - SAC - Jnr Tech		Cpl	Sgt	Chf Tech - Flt Sgt		WO / MAcr

[edit] United States

The title of Petty Officer in the United States Navy and United States Coast Guard has three separate "classes" (3^rd class through 1^st class) and three senior grades (Chief Petty Officer, Senior Chief Petty Officer, Master Chief Petty Officer). A Petty Officer Third Class is equivalent to a Corporal in the United States Army and Marine Corps and a Senior Airman in the United States Air Force. A Petty Officer Second Class is equivalent to a Sergeant in the United States Army and Marine Corps, and a Staff Sergeant in the United States Air Force. A Petty Officer First Class is equivalent to a Staff Sergeant in the United States Army and Marine Corps and a Technical Sergeant in the United States Air Force.

v • d • e U.S. military enlisted ranks
	E-1	E-2	E-3	E-4	E-5	E-6	E-7	E-8	E-9	Senior Enlisted Advisor
Air Force:	AB	Amn	A1C	SrA	SSgt	TSgt	MSgt	SMSgt	CMSgt - CCM	CMSAF
Army:	PV1	PV2	PFC	SPC - CPL	SGT	SSG	SFC	MSG - 1SG	SGM - CSM	SMA
Marine Corps:	Pvt	PFC	LCpl	Cpl	Sgt	SSgt	GySgt	MSgt - 1stSgt	MGySgt - SgtMaj	SgtMajMarCor
Navy:	SR	SA	SN	PO3	PO2	PO1	CPO	SCPO	MCPO - CMDCM - FORCM - FLTCM	MCPON
Coast Guard:	SR	SA	SN	PO3	PO2	PO1	CPO	SCPO	MCPO - CMCPO	MCPOCG

[edit] See also

• Master Chief Petty Officer of the Navy
• Master Chief Petty Officer
• Senior Chief Petty Officer
• Chief Petty Officer
• Chief Petty Officer 1st Class
• Chief Petty Officer 2nd Class
• Petty Officer 1st Class
• Petty Officer First Class
• Petty Officer 2nd Class
• Petty Officer Second Class
• Petty Officer Third Class
• United States Navy enlisted rates
• List of United States Navy ratings
• Starshina (Russian equivalent)