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Chief petty officer
Senior non-commissioned officer in many navies and coast guards
Senior non-commissioned officer in many navies and coast guards

A chief petty officer (CPO) is a senior non-commissioned officer in many navies and coast guards, usually above petty officer.
By country
Australia
"Chief Petty Officer" is the second highest non-commissioned rank in the Royal Australian Navy.
Canada
"Chief petty officer" refers to two ranks in the Royal Canadian Navy. A chief petty officer 2nd class (CPO2) (premier maître de deuxième classe or pm2 in French) is equivalent to a master warrant officer in the Army and Air Force, and chief petty officer 1st class (CPO1) (premier maître de première classe or pm1) is equivalent to a chief warrant officer in the Army and Air Force. In spoken references, chief petty officers may be addressed as "chief" but are never addressed as "sir".
India
A Chief petty officer in Indian Navy is a junior-commissioned officer. This rank is equivalent to Naib subedar in Indian Army and Junior warrant officer in Indian Air force. The two highest enlisted ranks are Master Chief Petty Officer Second Class (MCPO II), equivalent to Subedar/Warrant Officer and Master Chief Petty Officer First Class (MCPO I), equivalent to Subedar Major/Master Warrant Officer in Indian Army/Indian Air Force respectively.
Pakistan
Fleet chief petty officer is a commissioned and gazetted rank in Pakistan Navy above chief petty officer and below master chief petty officer. It is equivalent to the Pakistan Air Force warrant officer and the Pakistan Army subedar.
Philippines
In the Philippine Navy, the rank of chief petty officer, is equivalent to master sergeant in the Philippine Marine Corps and Philippine Air Force.
United Kingdom
In the Royal Navy, the rank of chief petty officer comes above that of petty officer and below that of warrant officer class 2. It is the equivalent of colour sergeant in the Royal Marines, colour sergeant or staff sergeant in the Army, and flight sergeant in the Royal Air Force.
United States
Main article: Chief petty officer (United States)}}Chief petty officer is an E-7 [[enlisted rank]] in the [United States Navy, [U.S. Navy]] and [United States Coast Guard, [U.S. Coast Guard]], just above [[petty officer first class]] and below [[senior chief petty officer]]. Chief petty officers are classified as senior [[non-commissioned officer]]s. The grade of chief petty officer was established on April 1, 1893, for the U.S. Navy.{{cite web, [U.S. Congress]] first authorized the U.S. Coast Guard to use the promotion to chief petty officer on 18 May 1920.The Coast Guardsman's Manual, ninth ed., George E. Krietemeyer, Naval Institute Press, 2000, {{ISBN](u-s-congress-first-authorized-the-u-s-coast-guard-to-use-the-promotion-to-chief-petty-officer-on-18-may-1920-ref-the-coast-guardsman-s-manual-ninth-ed-george-e-krietemeyer-naval-institute-press-2000-isbn), 1-55750-468-7
Unlike petty officer first class and lower rates, advancement to chief petty officer in the U.S. Navy not only carries requirements of time in service, superior evaluation scores, and specialty examinations, but also carries an added requirement of peer review. A chief petty officer can only advance after review a selection board of serving master chief petty officers, in effect "choosing their own" and conversely not choosing others.
Insignia
British Royal Navy OR-7.svg|Antigua and Barbuda Coast Guard Royal Australian Navy OR-8.svg|Royal Australian Navy Bahamas-Navy-OR-7.svg|Royal Bahamas Defence Force 03.BNF-CPO.svg|Bangladesh Navy Barbados Coast Guard OR7.png|Barbados Coast Guard Belize CG OR-7.svg|Belize Coast Guard British Royal Navy OR-7.svg|Republic of Fiji Navy 04.Ghana Navy-CPO.svg|Ghana Navy blank.svg|Guyana Coast Guard Ireland-Navy-OR-7.svg|Ard-mhion-oifigeach Irish Naval Service Jamaica-Navy-OR-7.svg|Jamaican Coast Guard blank.svg|Liberian National Coast Guard India-Navy-OR-7.svg|Indian Navy 04-Namibia Navy-CPO.svg|Namibian Navy RNZN OR-7.svg|Royal New Zealand Navy PNG_Maritime_OR-7.svg|Papua New Guinea Maritime Element Sierra Leone-Navy-OR-7.svg|Sierra Leone Navy SAN-Navy-OR-7.svg|South African Navy Sri_Lanka-Navy-OR-7.svg|Sri Lanka Navy Trinidad & Tobago-Navy-OR-7.svg|Trinidad and Tobago Coast Guard British Royal Navy OR-7.svg|Royal Navy CPO GC.svg|United States Navy USCG CPO.svg|United States Coast Guard
References
References
- Naval Regulation for Pakistan{{citation needed. (February 2019)
- . (July 1963). ["The Philippine Navy"](https://www.navy.mil/ah_online/archpdf/ah196307.pdf). *United States Navy*.
- Campa, Joe R. Jr.. (2007-03-30). "MCPON Reflects on 114 Years of Deckplate Leadership".
- The Coast Guardsman's Manual, ninth ed., George E. Krietemeyer, Naval Institute Press, 2000, {{ISBN. 1-55750-468-7
- ''The Chief Petty Officer's Guide'' / John Hagan and Jack Leahy. - Naval Institute Press, 2004. {{ISBN. 1-59114-459-0
- "Paratus". Regional Publications Ltd..
- "Badges of rank". Department of Defence (Australia).
- "ENLISTED RATES". Royal Bahamas Defence Force.
- "Rank of Navy & Equivalent Rank".
- "Naval Service Rank Markings". Defence Forces (Ireland).
- (2019). "BADGES OF RANK".
- (3 September 2008). "Defense Act of 2008".
- "Ranks & Insignia".
- "Badges of Rank". New Zealand Defence Force.
- "Rank Insignia". Department of Defence (South Africa).
- "Branches/ Ranks". Sri Lanka Navy.
- (December 2023). "Rank Chart (Enlisted)". Trinidad and Tobago Defence Force.
- "Shaping your career". Royal Navy.
- "U.S. Military Rank Insignia". Department of Defense.
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