|Royal Navy||Army||Royal Air Force|
|Admiral of the Fleet||Field Marshal||Marshal of the Royal Air Force|
|Admiral||General||Air Chief Marshal|
|Vice Admiral||Lieutenant General||Air Marshal|
|Rear Admiral||Major General||Air Vice-Marshal|
|Commodore* and Captain of six or more years||Brigadier||Air Commodore|
|Captain of less than six years||Colonel||Group Captain|
|Commander||Lieutenant Colonel||Wing Commander|
|Lieutenant Commander||Major||Squadron Leader|
|Sub Lieutenant||Lieutenant||Flying Officer|
|Midshipman||Second Lieutenant||Pilot Officer|
Note: Officers of the same rank, rank with each other according to their seniority.
* This rank is held by Captains during their tenure of certain specific appointments. On completion they revert to the rank of Captain.