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3189LTJG.jpg

Lieutenant, junior grade is a commissioned rank in Starfleet. They are commonly addressed as "Lieutenant."

This makes it difficult to distinguish which lieutenants are of which grade.

Lieutenant junior grade insignia

Starfleet lieutenant junior grade 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
(Built to Lieutenant)
Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2160s)
(Built to Lieutenant)
Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2230s)
(Built to Lieutenant)
Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2240s)
(insignia for all officer grades)
Sleeve insignia. Sleeve insignia Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2250s)
(insignia for all officer grades)
Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2260s) Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder.
Federation Starfleet ranks (2270s)
(Built to Lieutenant)
Uniform sleeve. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2270s-2350s) Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2350s-2366) Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder.
Federation Starfleet ranks (2366-2373) Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder. Uniform shoulder.
Federation Starfleet ranks (2373-2386) Uniform shoulder. Uniform shoulder. Uniform shoulder.
Federation Starfleet ranks (2386-2410) Uniform shoulder. Uniform shoulder. Uniform shoulder.
Federation Starfleet ranks (2800s)
(Built to Lieutenant)
Uniform shoulder. Uniform shoulder. Uniform shoulder.

Alternate lieutenant junior grade insignia

Starfleet alternate lieutenant junior grade insignia
era command division operations division sciences division
Federation Starfleet ranks (2250s) alt
(Built to Lieutenant)
Sleeve insignia. Sleeve insignia. Sleeve insignia.
Federation Starfleet ranks (2386-2410) alt Uniform shoulder. Uniform shoulder. Uniform shoulder.

Positions and Lists

Command Division

Operations Division

Chronology

Dates listed are first appearance or mention at that rank except as noted.

2256

2257

2316

2349

2353

2362

2364

  • Joseph Carey goes off active duty for treatment
  • Geordi La Forge
  • Worf promoted from Ensign, later promoted to Lieutenant

2365

2366

2367

  • Joseph Carey returns to active duty

2369

  • Joseph Carey promoted to Lietenant
  • Veronica Stadi promoted from Ensign

2371

  • Veronica Stadi promoted to Lieutenant

2373

2375

  • Nog promoted from Ensign, later promoted to Lieutenant

2376

  • Ronni Beth promoted from Ensign

2379

  • Rrairr
  • T'Lirin

Connections

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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