Template:Ranks and Insignia of NATO Navies/OR/United Kingdom (1913-1953)

NATO code	OR-9						OR-8		OR-7		OR-6						OR-5						OR-4				OR-3		OR-2						OR-1
Royal Navy (1913–1953)									No arm badge																				Trade badge						No insignia
									Chief petty officer		Petty officer												Leading rate						Able rate						Ordinary rate	Junior rate