Vice admiral
Vice admiral was a flag officer rank above rear admiral but below admiral, the equivalent of which was used by various service organizations, including Starfleet. As a Starfleet rank, vice admirals were often referred to as simply "admiral."

History 
In the early 22nd century, Starfleet vice admirals, such as Maxwell Forrest, were denoted by three rank insignia enclosed in a rectangular frame, worn on both sides of a uniform jacket. These officers also had a series of rank stripes on their sleeve, a group of five stripes (four in a group, and one separate towards the cuff). ()

By 2161, the sleeve stripes had changed to be more in line with the style used in the 2260s. An unnamed vice admiral at the signing of the Federation Charter wore a solid white/grey stripe with silver braiding (about three standard stripes wide), flanked by two single stripes of a similar material (one above and one below). ()

In 2263 of the alternate reality, Captain  had considered leaving the  and applied for a Vice admiral position at Starbase Yorktown. Following the Attack on Yorktown and the death of Krall, Kirk was offered the promotion in honor of his heroics. He ultimately turned it down in favor of continuing to command a starship. ()

In the subsequent Federation fleets, vice admirals (like ) were again denoted by sleeve stripes, this time signified by a similar insignia, one solid gold band (about three stripes wide, worn by the rank of Commodore) of braid, and two additional stripes separate, above and below. ()

By the Starfleet uniform design of the 2280s, all officers wore their insignia as a pin device attached to the shoulder on the jacket clasp. The vice admiral pin was a small round field with four gold arrowheads arranged pointing towards a gold pip in the center, and was accompanied by an embroidered sleeve stripe. ()

Another redesign in the 2360s denoted vice admirals (like Vice Admiral Nakamura) by three gold rank pips surrounded by a rectangular frame. ()

Starfleet vice admirals 
Vice Admiral Margaret Blackwell
Vice Admiral Les Buenamigo
Vice Admiral Chekote
Vice Admiral Katrina Cornwell
Vice Admiral Dougherty
Vice Admiral 
Vice Admiral Maxwell Forrest
Vice Admiral Fujisaki
Vice Admiral D. Gluck
Vice Admiral Gromek
Vice Admiral Haden
Vice Admiral J.P. Hanson
Vice Admiral Haftel
Vice Admiral  (female)
Vice Admiral  (male)
Vice Admiral Maxwell Headroom
Vice Admiral Thomas Henry
Vice Admiral Marcus Holt
Vice Admiral 
Vice Admiral Kathryn Janeway 
Vice Admiral Kennelly
Vice Admiral 
Vice Admiral 
Vice Admiral Leyton
Vice Admiral 
Vice Admiral 
Vice Admiral Nakamura
Vice Admiral Alynna Nechayev
Vice Admiral Owen Paris
Vice Admiral Patterson
Vice Admiral G. Rescher
Vice Admiral William Ross
Vice Admiral Connaught Rossa
Vice Admiral 
Vice Admiral Simons
Vice Admiral 
Vice Admiral Toddman
Vice Admiral

Background information 
Fitzpatrick was the only flag officer above commodore whose rank insignia was visible (if barely) during .

Robert Blackman's production notes during  described this rank as "3 Starfleet Admiral, gold framed bar w/3 dots." 

The  labeled this rank as "vice admiral" referring to the , and "admiral, three star" referring to its use on , , and .

, mistakenly used a late 2270's-2350's rear admiral insignia, with only the top three gold arrows, as the vice admiral insignia.

External links 
 
 

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Military ranks