| NATO code | OF-10 | OF-9 | OF-8 | OF-7 | OF-6 | OF-5 | OF-4 | OF-3 | OF-2 | OF-1 | ||||||||||||||||||||||||||
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 British Army[1] |
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| Field marshal | General | Lieutenant-general | Major-general | Brigadier | Colonel | Lieutenant colonel | Major | Captain | Lieutenant | Second lieutenant | ||||||||||||||||||||||||||
| Abbreviation | FM | Gen | Lt Gen | Maj Gen | Brig | Col | Lt Col | Maj | Capt | Lt | 2Lt | OD | OCdt | |||||||||||||||||||||||
 Royal Navy[2] |
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| Warrant officer class 1 | Warrant officer class 2 | Chief petty officer | Petty officer | Leading rate | Able rate | |||||||||||||||||||||||||||||||
| Abbreviation | WO1 | WO2 | CPO | PO | LH | |||||||||||||||||||||||||||||||
- ^ "Rank structure". army.mod.uk. British Army. Retrieved 27 May 2021.