Admiral of the Fleet (Royal Navy)
| Admiral of the Fleet | |
|---|---|
The flag of an admiral of the Fleet is the Union Flag | |
Insignia shoulder board and sleeve lace for admiral of the fleet | |
| Country | United Kingdom |
| Service branch | Royal Navy |
| 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 (ADMF) is a five-star naval officer rank and the highest rank of the Royal Navy, formally established in 1688. 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.