Major (UK)

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Please see "Major" for other countries which use this rank

Major is a military rank of the British Army which is used by both the British Army and Royal Marines. The rank insignia for a major is a crown. The equivalent is Lieutenant-Commander in the Royal Navy and Squadron Leader in the Royal Air Force.

By the time of the Napoleonic wars, an infantry battalion usually had two majors, designated the "senior major" and the "junior major". The senior major effectively acted as second-in-command and the majors often commanded detachments of two or more companies split from the main body. The second-in-command of a battalion or regiment is still usually a major.

By World War I, majors were often commanding independent companies, squadrons and batteries, but those that were organically part of a regiment or battalion were still usually commanded by captains. After World War II, major became the usual rank held by Officers Commanding all companies, squadrons and batteries, and remains so today.

British officer ranks
	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/C	Mid	SLt		Lt	Lt Cdr	Cdr	Capt	Cdre	RAdm	VAdm	Adm	Adm of the Fleet
Royal Marines:	OCdt		2Lt	Lt	Capt	Maj	Lt Col	Col	Brig	Maj Gen	Lt Gen	Gen
Army:	OCdt		2Lt	Lt	Capt	Maj	Lt Col	Col	Brig	Maj Gen	Lt Gen	Gen	FM
Royal Air Force:	OC / SO		APO / PO	Fg Off	Flt Lt	Sqn Ldr	Wg Cdr	Gp Capt	ACdre	AVM	AM	ACM	MRAF