Captain (Royal Navy)
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Please see Captain (naval) for other versions of this naval rank.

A Royal Navy captain's rank insignia.

Captain is a senior officer rank of the Royal Navy. It ranks above Commander and below Commodore and has a NATO ranking code of OF-5. The rank is equivalent to a Colonel in the British Army or Royal Marines and to a Group Captain in the Royal Air Force.

In the Royal Navy, the officer in command of any ship is considered the captain even if that officer holds a different rank. Royal Navy officers who rank as captains may serve on ships or on land in naval bases or other service establishments.

The rank insignia features four rings of gold braid with a loop in the upper ring.[1]

v • d • e Commissioned Officer ranks of the British Armed Forces
	Student Officer	OF(D)	OF-1		OF-2	OF-3	OF-4	OF-5	OF-6	OF-7	OF-8	OF-9	OF-10
Royal Navy	O Cdt	Mid	SLt		Lt	Lt Cdr	Cdr	Capt	Cdre	RAdm	VAdm	Adm	Adm of the Fleet
Royal Marines			2Lt	Lt	Capt	Maj	Lt Col	Col	Brig	Maj-Gen	Lt Gen	Gen
Army	O Cdt		2Lt	Lt	Capt	Maj	Lt Col	Col	Brig	Maj-Gen	Lt Gen	Gen	FM
Royal Air Force	OC		APO / Plt Off	Fg Off	Flt Lt	Sqn Ldr	Wg Cdr	Gp Capt	Air Cdre	AVM	Air Mshl	Air Chf Mshl	MRAF