Vice admiral (also known as three star admiral) is a rank of flag officer in naval services and space forces, most notably Earth Starfleet and its Federation counterpart. Vice admiral is the midlevel flag officer rank, a grade higher than a rear admiral and a grade below four star admiral and other admiral grades in most rank structures. This rank is roughly equivalent with the authority of a lieutenant general of military forces.
In military parlance, is it acceptable and normal to refer to a vice admiral simply as "admiral" in most forms of address.
In the Starfleet uniform insignia introduced in the mid-24th century, a vice admiral wore a triangular rank braid with two pips underneath as their service uniform rank insignia. (TNG episode: "Conspiracy")
In a redesign of the admiral's service uniforms of 2365 and 2366, a new insignia of three gold pips enclosed in a rectangular gold border was worn by vice admirals, showing the origin of the "three star" name. This insignia continued into later uniform designs of the 2370s. (ST reference: Star Trek Encyclopedia; TNG episode: "The Measure of a Man")
|Enlisted ranks||Commissioned ranks||Flag ranks|
|Starfleet & SFMC||LT JG||LT||LT CMDR||CDR||CDORE
|2ND LT||1ST LT||CAPT||MAJOR||LT COL||COL||BRIG||GEN|
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, vice admirals of the US Navy wear a pin insignia of three stars on their uniforms and hold an officer grade equivalent to a lieutenant general of other services.
In informal settings, Vice Admirals are typically referred to simply as "Admiral".
A Vice Admiral may be also referred to as a "three-star Admiral" to distinguish it from the other ranks of Admiral, so named for the three star rank insignia worn on the uniform.
Vice Admirals generally command the numbered fleets around UNSC controlled space, and are in charge of the naval components of each of the regional unified commands. Of the five numbered fleets, four have command ships which act as the Vice Admiral's flagship.[verification needed]
This is the U.S. Navy insignia for a Vice Admiral. The UNSC Navy uses the same insignia. -- Reference: Halo: Ghosts of Onyx, page 104.
|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 (Wartime Only)|
|Air Force:||2nd Lt||1st Lt||Capt||Maj||Lt Col||Col||Brig Gen||Maj Gen||Lt Gen||Gen||GOAF|
|22nd century||2230s||AR 2250s||2250s||2265-2270s||Early 2270s||Late 2270s-2350s|
|Enlisted personnel||Non-commissioned officers||Etc||Officers||Flag officers|
|Ground troops||Bekk||Cpl||Sgt||MSgt||SgtMaj||2nd Lt||1st Lt||Capt
A rank in many navies. Vice Admirals were superior to Rear Admirals, but inferior to the rank of Admiral. Examples of Vice Admirals include Thrawn and Pellaeon, previous to their promotions to Grand Admiral.