SSAFA Volunteer Knowledgebase

Armed Forces Jargon Buster

Updated on

Here is a Jargon Buster showing some key information and all the different military ranks about the four branches of The Armed Forces.

The Armed Forces consists of: 

  • Royal Navy - a blue-water navy with a fleet of 
    commissioned ships.
  • Royal Marines - a highly specialised amphibious light 
    infantry force.
  • British Army - the UK’s principal land warfare branch.
  • Royal Air Force - technologically sophisticated air force 
    with a diverse operational fleet.

The British Armed Forces also include standing Forces, Regular Reserve, Volunteer Reserves and Sponsored Reserves.

Military Ranking Guide 

The military rank system is hierarchical and conveys the authority and responsibility of the individual. 

Royal Navy Royal Marines British Army RAF
Admiral of the Fleet Field-Marshal Field-Marshal Marshal of the Royal Air Force
Admiral General  General Air Chief Marshal
Vice-Admiral Lieutenant-General Lieutenant-General Air Marshal
Rear-Admiral Major-General Major-General Air Vice Marshal
Commodore Brigadier Brigadier Air Commodore
Captain Colonel Colonel Group Captain
Commander Lieutenant-Colonel Lieutenant-Colonel Wing Commander
Lieutenant-Commander Major Major Squadron Leader
Lieutenant Captain Captain Flight Lieutenant
Sub-Lieutenant Lieutenant Lieutenant Flying Officer
Midshipman 2nd Lieutenant 2nd Lieutenant Pilot Officer
Warrant Officer 1 Warrant Officer Class 1 Warrant Officer Class 1 Warrant Officer
Warrant Officer 2  Warrant Officer Class 2 Warrant Officer Class 2 N/A
Chief Petty Officer Staff Sergeant Staff Sergeant Flight Sergeant
Petty Officer Sergeant Sergeant Sergeant
Leading Hand Corporal Corporal Corporal
N/A Lance-Corporal Lance-Corporal Senior Aircraftman
Able Rate / Marine N/A N/a Aircraftman
Able Rate Private Private Aircraftman

Additional Information: 

  • The Royal Marines are part of the Royal Navy but use the rank structure of the British Army. To distinguish Royal Marines from their Army colleagues, their name should be followed by the words ‘Royal Marines’ or ‘RM’ – for example, ‘Lt Jack Smith Royal Marines’ or ‘Sgt Tom Brown RM’.
  • To distinguish naval ranks from Army ranks, such as captain and lieutenant, all Royal Navy officer ranks below admiral (midshipman all the way up to commodore) are followed by the words ‘Royal Navy’ or ‘RN’ – for example, ‘Lt Jack Smith Royal Navy’ or ‘Lt Jack Smith RN’.
  • The term ‘officer’ refers to someone with a commission. Warrant officers do not hold one. The same applies to Royal Navy chief petty officers and petty officers.
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