Rear Admiral (Upper Half) Affiliation UNSC Navy Higher Rank Vice Admiral Lower Rank Rear Admiral (Lower Half) Command Battlegroups Known Rear Admiral (Upper Half)s Margaret Orlenda Parangosky

[Source]

Rear Admiral (Upper Half) is a senior commissioned officer rank of the UNSC Navy.

It is equal with the rank of Major General in the UNSC Marine Corps, UNSC Air Force, and UNSC Army.

In informal settings, Rear Admirals (Upper Half) are typically referred to simply as "Admiral".

A Rear Admiral (Upper Half) may be also referred to as a "two-star Admiral" to distinguish it from the other ranks of Admiral, so named for the two star rank insignia worn on the uniform.

UNSC Defense Force commissioned officer ranks
	O-1	O-2	O-3	O-4	O-5	O-6	O-7	O-8	O-9	O-10	Special
Approximate insignia:
Air Force:	2nd Lt	1st Lt	Capt	Maj	Lt Col	Col	Brig Gen	Maj Gen	Lt Gen	Gen	GOAF
Army:	2LT	1LT	CPT	MAJ	LTC	COL	BG	MG	LTG	GEN	GA
Marine Corps:	2ndLt	1stLt	CPT	Maj	LtCol	Col	BGen	MajGen	LtGen	Gen
Navy:	ENS	LTJG	LT	LCDR	CDR	CAPT	RDML	RADM	VADM	ADM	FADM