| Royal Navy | Royal Air Force RAF |
British Army |
|---|---|---|
| Admiral of the Fleet | Marshal of the Royal Air Force | Field-Marshal |
| Admiral | Air Chief Marshal | General |
| Vice-admiral | Air Marshal | Lieutenant-General |
| Rear-Admiral | Air Vice Marshal | Major-General |
| Commodore | Air Commodore | Brigadier |
| Captain | Group Captain | Colonel |
| Commander | Wing Commander | Lieutenant-Colonel |
| Lieutenant-Commander | Squadron Leader | Major |
| Lieutenant | Flight Lieutenant | Captain |
| Sub-Lieutenant | Flying Officer | Lieutenant |
| Midshipman | Pilot Officer | 2nd Lieutenant |
| Fleet Chief Petty Officer | Warrant Officer | Warrant Officer 1st Class |
| - | - | Warrant Officer 2nd Class |
| - | Flight Sergeant | Staff Sergeant |
| Chief Petty Officer | Chief Technician | - |
| Petty Officer | Sergeant | Sergeant |
| - | Corporal | - |
| Leading Seaman | Junior Technician | - |
| Able Seaman | Senior Aircraftman | - |
| Ordinary Seaman | Leading Aircraftman | - |
| Junior Seaman | Aircraftman | Corporal |
| - | - | Lance Corporal |
| - | - | Private |