Officer Ranks

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NATO CodeOF-10OF-9OF-8OF-7OF-6OF-5OF-4OF-3OF-2OF-1OF(D)Student Officer
United Kingdom United Kingdom
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Admiral of the
Fleet
1
Admiral Vice Admiral Rear Admiral Commodore Captain Commander Lieutenant-
Commander
Lieutenant Sub-
Lieutenant
Midshipman Officer
Cadet
AbbreviationAdm of the FleetAdmVAdmRAdmCdreCaptCdrLt CdrLtSLt or S/LtMidOC


NATO CodeOF-10OF-9OF-8OF-7OF-6OF-5OF-4OF-3OF-2OF-1OF(D)Student Officer
United Kingdom British Army No Equivalent
Field Marshal1 General Lieutenant-General2 Major-General Brigadier3 Colonel Lieutenant-Colonel2 Major Captain Lieutenant2 Second Lieutenant2 Officer Cadet
Abbreviation:FMGenLt GenMaj GenBrigColLt ColMajCaptLt2LtOCdt
NATO CodeOF-10OF-9OF-8OF-7OF-6OF-5OF-4OF-3OF-2OF-1OF(D)Student Officer
 Royal Air Force[1]
Marshal of the RAF Air chief marshal Air marshal Air vice-marshal Air commodore Group captain Wing commander Squadron leader Flight lieutenant Flying officer Pilot officer
/acting pilot officer
AbbreviationMRAFAir Chf MshlAir MshlAVMAir CdreGp CaptWg CdrSqn LdrFlt LtFg OffPlt OffOff Cdt

1 Rank in abeyance - appointments no longer made to this rank in peacetime.
2 Lieutenant is correctly pronounced as 'Leftenant'.
3 Brigadier-General (until 1922), Colonel-Commandant (1922–1928), Brigadier (since 1928)

Other Ranks

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NATO CodeOR-9OR-8OR-7OR-6OR-5OR-4OR-3OR-2OR-1
 Royal Navy[2]


Warrant officer class 1 Warrant officer class 2 Chief petty officer Petty officer Leading rate Able rate
Abbreviation WO1 WO2 CPO PO LH AB1 AB2
NATO CodeOR-9OR-8OR-7OR-6OR-5OR-4OR-3OR-2OR-1
United Kingdom British Army
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(Conductor)

(Quartermaster Sergeant)
No Equivalent No Insignia
Warrant Officer Class One Warrant Officer Class Two Sergeant Private
(or equivalent)


NATO CodeOR-9OR-8OR-7OR-6OR-5OR-4OR-3OR-2OR-1
 Royal Air Force[1]

No insignia
Warrant officer Flight sergeant Chief technician Sergeant Corporal Lance corporal
(RAF Regiment only)
Air specialist (class 1) technician Air specialist (class 1) Air specialist (class 2) Air recruit
 Royal Air Force[1]
(Aircrew)

Master aircrew Flight sergeant aircrew Sergeant aircrew
Abbreviation MAcr WO FS CT or Chf Tech Sgt Cpl LCpl SAC(T) SAC LAC AC
  1. 1 2 3 "RAF Ranks". raf.mod.uk/. Royal Air Force. Archived from the original on 6 June 2026. Retrieved 21 September 2021.
  2. "Shaping your career". royalnavy.mod.uk. Royal Navy. Retrieved 24 September 2021.