Admiral of the Fleet | |
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![]() The flag of an admiral of the Fleet is the Union Flag | |
![]() Insignia shoulder board and sleeve lace for Admiral of the Fleet | |
Country | ![]() |
Service branch | ![]() |
Abbreviation | ADMF |
Rank group | Flag officer |
Rank | Five-star |
NATO rank code | OF-10 |
Formation | 1688 |
Next higher rank | none |
Next lower rank | Admiral |
Equivalent ranks |
Admiral of the Fleet is a five-star naval officer rank and the highest rank of the Royal Navy, formally established in 1688.[1] The five-star NATO rank code is OF-10, equivalent to a field marshal in the British Army or a Marshal of the Royal Air Force. Apart from honorary appointments, no new admirals of the fleet have been named since 1995, and no honorary appointments have been made since 2014.