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Rear admiral

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Brand

Andrea Brand wearing rear admiral insignia.

Rear admiral (also known as rear admiral upper half or two star admiral) is a rank of flag officer in naval services and space forces, most notably Earth Starfleet and its Federation counterpart. Rear admiral is the second most basic flag officer rank, a grade higher than a commodore or one star admiral and a grade below vice admiral and other admiral grades in most rank structures. This rank is roughly equivalent with the authority of a major general of military forces. (ST reference: Star Trek Encyclopedia; Decipher RPG module: Starfleet Operations Manual)

In military parlance, is it acceptable and normal to refer to a rear admiral simply as "admiral" in most forms of address.

StarfleetEdit

Yel RAdm 2266

2260s uniform sleeve insignia.

In the Starfleet uniform insignia used in the mid-23rd century, an upper half rear admiral wore a service uniform rank insignia of a thick sleeve stripe of gold with braided edge (a commodore's insignia) with another separate braid above. This was slightly modified in the 2270s to the form of three grouped rank braids (again like a commodore's), with one stripe above. (TOS movie: The Motion Picture)

2270s-2350 radm sleeve

2278-2350s uniform sleeve insignia.

2350s-2360s radm

2350s-2360s uniform lapel insignia.

In the Starfleet uniform insignia introduced in the mid-24th century, a rear admiral wore a triangular rank braid with one pip underneath as their service uniform rank insignia. (TNG episodes: , "Conspiracy")

The correlation between this second lowest admiral rank and the uniform insignia worn in TNG season 1 is because other admirals were shown wearing higher and lower rank insignia, and the single braid insignia was the most basic one shown.
RAdmUp 2364

2360s uniform collar insignia.

Red RAdmUp 2373

2370s uniform collar insignia.

In a redesign of the admiral's service uniforms of 2365 and 2366, a new insignia of two gold pips enclosed in a rectangular gold border was worn by rear admirals, showing the origin of the "two star" name. This insignia continued into later uniform designs of the 2370s. (ST reference: Star Trek Encyclopedia; TNG episodes: "The First Duty", "The Pegasus")

The Star Trek Encyclopedia shows the insignia in a small rectangular pin, while canon appearances depict a wider rectangular pin. It is possible the insignia changed over the years between the mid 2360s and the later 2360s when those references took place, respectively.

Rear admiral insigniaEdit

Starfleet rear admiral insignia
era general wear command division operations division sciences division
command tactical/military flight-engineering
(admin, pilot, engineer)
security special services sci-ops
(ops, sci & tac ops)
medical
Earth Starfleet ranks
Earth radm
Federation Starfleet ranks (2160s)
(insignia for all flag grades)
Sec adm 2160s Cmd amd 2160s Eng-ops adm 2160s Sci adm 2160s
Federation Starfleet ranks (2250s)
(insignia for all flag grades)
Gray flag sleeve 2250s conn admiral sleeve 2250s cmd green adm sleeve 2250s red ops adm sleeve 2250s ops admiral sleeve 2250s sci admiral sleeve
Federation Starfleet ranks (2260s) 2260s radm Yel RAdm 2266 2260s cmd green radm Red RAdm 2266 2260s cmd beige radm Blu RAdm 2266
Federation Starfleet ranks (2270s)
(epaulet insignia for all admiral grades)
2270s cmd vadm sleeve 2270s cmd radm 2270s helm radm 2270s eng radm 2270s sec radm 2270s sci radm 2270s med radm
Federation Starfleet ranks (2270s-2350s) 2270s-2350 radm sleeve 2270s-2350 cmd radm 2270s-2350 mil radm 2270s-2350 flight radm 2270s-2350 sec radm 2270s-2350 sup radm 2270s-2350 service radm 2270s-2350 med radm
Federation Starfleet ranks (2350s-2366) 2350s-2360s radm 2350s-2360s radm ops s1 2350s-2360s radm sci s1
Federation Starfleet ranks (2366-2373) RAdmUp 2364
Federation Starfleet ranks (2373-2386) Red RAdmUp 2373 Yel RAdmUp 2373 Blu RAdmUp 2373
Federation Starfleet ranks (2386-2410) Red RADM2 2400s Yel RADM2 2400s Blu RADM2 2400s

Alternate rear admiral insigniaEdit

Starfleet alternate rear admiral insignia
era command division operations division sciences division
Federation Starfleet ranks (2250s) alt 2250s alt adm
Federation Starfleet ranks (2386-2410) alt Alt future cmd radm2 Alt future ops radm2 Alt future sci radm2

Positions and listsEdit

It should be noted that some admirals who were referred to as "rear admiral" but did not have visible insignia might actually have held the one star admiral rank of rear admiral lower half.

United States NavyEdit

Earth StarfleetEdit

Federation StarfleetEdit

AppendicesEdit

BackgroundEdit

US o-8 rank pin

US insignia.

The United States rank scheme that Starfleet was adapted from is also the origination of the insignia, background information, and alternate name for this rank. In the United States armed forces, rear admirals of the US Navy wear a pin insignia of two stars on their uniforms and hold an officer grade equivalent to a major general of other services.

In ST video game: Conquest, rear admiral is used for new Starfleet commanders who have completed their commodore experience points in Federation gameplay, with the graphic reflecting the "two-star" rank insignia dating back to the US military forces and the Earth Starfleet. The game proceeds these characters to vice admiral after their rear admiral experience points are complete.

External linksEdit

Enlisted ranks Commissioned ranks Flag ranks
Earth SF CREW PO2

PO1

CPO

SCPO


MCPO

ENS LT CMDR CAPT

FCAPT


VICE CDORE

CDORE RADM/2ADM VADM/3ADM 4ADM FADM/5ADM

GADM

Starfleet & SFMC ENS JG

ENS


ENS 1C

LT JG LT LT CMDR CDR CDORE

1ADM

PVT CPL SGT

MASTER SGT

SUBLT

2ND LT

1ST LT CAPT MAJOR LT COL COL BRIG GEN

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