Other ranks exist and have existed at various times during the history of the British armed forces. Able Rating Equivalent to Ordinary Rating Adjutant Not a rank, but an appointment within a regiment, irrespective of rank, responsible for administration. Air Chief Commander Equivalent to Air Vice Marshall in WRAF Air Commandant Equivalent to Air Commodore in WRAF Band master Actual status depends on the unit. Commandant Not a rank, but an appointment, irrespective of rank, responsible for an installation, such as a school, depot or camp. Responsible for the colours.
Actual status depends on the unit.
Ensign Lowest commissioned officer in an infantry regiment, responsible for the colours. In the 17 th -19 th centuries, a member of the elite company of a line infantry regiment. Usually a private unless otherwise stated. Group Officer Equivalent to GRoup Captain in WRAF Guardsman Private, Guards Regt. Sergeant Acting sergeant.