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Lieutenant (junior grade)

From Wikipedia, the free encyclopedia
Junior commissioned officer naval rank
Not to be confused withJunior lieutenant.
Naval officer ranks
Flag officers
Senior officers
Junior officers

Lieutenant junior grade is ajunior commissioned officer rank used in a number of navies.

United States

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Lieutenant (junior grade)

Insignia of the rank of Lieutenant (junior grade) USN, USCG, USPHS, NOAA Corps
CountryUnited States
Service branch United States Navy
United States Coast Guard
United States Public Health Service Commissioned Corps
NOAA Commissioned Officer Corps
AbbreviationLTJG
Rank groupJunior officer
NATOrank codeOF-1
Pay gradeO-2
FormationMarch 3, 1883
Next higher rankLieutenant
Next lower rankEnsign
Equivalent ranksFirst lieutenant
Related articles
HistoryMaster

Lieutenant (junior grade), commonly abbreviated asLTJG or, historically,Lt. (j.g.) (as well as variants of both abbreviations), is ajunior commissioned officer rank of theUnited States Navy, theUnited States Coast Guard, theUnited States Public Health Service Commissioned Corps, and theNational Oceanic and Atmospheric Administration Commissioned Officer Corps (NOAA Corps).[1] LTJG has aUS military pay grade of O-2,[2][3] and aNATO rank code of OF-1. The rank is also used in theUnited States Maritime Service. The NOAA Corps's predecessors, theUnited States Coast and Geodetic Survey Corps (1917–1965) and theEnvironmental Science Services Administration Corps or ESSA Corps (1965–1970), also used the rank.

Lieutenant (junior grade) ranks aboveensign and belowlieutenant and is equivalent to afirst lieutenant in the otheruniformed services (theArmy,Marine Corps,Air Force, andSpace Force) andsub-lieutenant in theRoyal Navy[4] and the navies of manyCommonwealth countries.

Promotion to LTJG is governed by Department of Defense policies derived from theDefense Officer Personnel Management Act (DOPMA) of 1980. DOPMA guidelines suggest all "fully qualified"ensigns should be promoted to LTJG. The time for promotion to LTJG is a minimum of two years after commissioning in the Navy[5] or 18 months in the Coast Guard.[6] Lieutenants, junior grade typically leadpetty officers andnon-rated personnel, unless assigned to small aircraft or onstaff duty. A LTJG's usual shipboard billet is as adivision officer.

Lieutenant, junior grade is often referred to colloquially as JG. Prior to March 3, 1883, this rank was known in the U.S. Navy asmaster.[7]

US Maritime Services

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USMS Lieutenant (j.g.)

In theUnited States Maritime Services (USMS) - a voluntary training organization of theU.S. Department of Transportation - Lieutenant (junior grade) is the second most junior rank.[8] USMS officers are commissioned into theNaval Reserve after attending theU.S. Merchant Marine Academy[9] or one of the other six maritime academies into the ranks of theU.S. Navy Strategic Sealift Officer Corps.[10] Many US Maritime Services officers serve at the academy or the other six schools as faculty.[11]


Notable LTJGs

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Gallery

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See also

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References

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  1. ^"U.S. Military Rank Insignia".U.S. Department of War. Archived fromthe original on 2025-10-08. Retrieved2025-11-30.
  2. ^10 USC 5501. Navy: grades above chief warrant officer, W–5
  3. ^37 USC 201. Pay grades: assignment to; general rules
  4. ^"Royal Navy | Graduates".www.royalnavy.mod.uk. Retrieved2025-11-30.
  5. ^"U.S. Navy Officer Ranks - Ultimate Guide & List".Fleet Sheets. 2024-08-04. Retrieved2025-11-30.
  6. ^Evans, Jessica (2022-10-18)."The complete guide to Coast Guard ranks".We Are The Mighty. Retrieved2025-11-30.
  7. ^Mallory, John A. (1914).Compiled Statutes of the United States 1913. Vol. 1. St. Paul: Wast Publishing Company. p. 1062.
  8. ^"United States Maritime Service Insignia of Rank and Distinctive Devices and Uniforms".www.usmm.org. Retrieved2025-12-09.
  9. ^"USMMA History | U.S. Merchant Marine Academy".www.usmma.edu. Archived fromthe original on 2025-08-14. Retrieved2025-12-09.
  10. ^"The U.S. Navy's Best-kept Secret - Strategic Sealift Officers".DVIDS. Retrieved2025-12-09.
  11. ^"Wayback Machine"(PDF).www.maritime.dot.gov. Archived fromthe original(PDF) on 2025-02-28. Retrieved2025-12-09.
  12. ^"G.I. Jobs -April 2008". Archived fromthe original on 2006-03-10.
  13. ^Antigua & Barbuda Defence Force."Paratus"(PDF). Regional Publications Ltd. pp. 12–13. Archived fromthe original(PDF) on 7 June 2022. Retrieved2 March 2020.
  14. ^"Defense Act of 2008"(PDF). 3 September 2008. p. 8. Retrieved20 November 2017.
  15. ^"BADGES OF RANK".Official Jamaica Defence Force Website. 2019. Archived fromthe original on 20 August 2020. Retrieved16 November 2019.
  16. ^"Government Notice"(PDF).Government Gazette of the Republic of Namibia. Vol. 4547. 20 August 2010. pp. 99–102. Retrieved20 December 2021.
  17. ^"Philippine Navy Ranks".Philippine Navy. Archived fromthe original on 16 July 2024. Retrieved1 September 2024.
  18. ^ab"U.S. Military Rank Insignia".United States Department of Defense. Department of Defense. Retrieved13 January 2022.
United States uniformed servicescommissioned officer andofficer candidate ranks
Pay grade / branch of serviceOfficer
candidate		O-1O-2O-3O-4O-5O-6O-7O-8O-9O-10Wartime
grade		Special
grade
Insignia[1]alt=alt=Second lieutenant / Ensignalt=alt=First lieutenant / Lieutenant (junior grade)alt=alt=alt=Captain / Lieutenantalt=alt=Major / Lieutenant commanderalt=alt=Lieutenant colonel / Commanderalt=alt=Colonel / Captainalt=alt=Brigadier general / Rear admiral (lower half)alt=alt=Major General / Rear admiralalt=alt=Lieutenant general / Vice admiralalt=alt=General / Admiralalt=alt=General of the Air Force / General of the Army / Fleet Admiral[2]
ArmyCDT /OC2LT1LTCPTMAJLTCCOLBGMGLTGGENGA[3]GAS[2]
Marine CorpsMidn /Cand2ndLt1stLtCaptMajLtColColBGenMajGenLtGenGen[5][5]
NavyMIDN /OCENSLTJGLTLCDRCDRCAPTRDMLRADMVADMADMFADM[3][5]
Air ForceCdt /OT2d Lt1st LtCaptMajLt ColColBrig GenMaj GenLt GenGenGAF[3][5]
Space ForceCdt /OT2d Lt1st LtCaptMajLt ColColBrig GenMaj GenLt GenGen[5][5]
Coast GuardCDT /OCENSLTJGLTLCDRCDRCAPTRDMLRADMVADMADM[5][5]
PHS CorpsOCENSLTJGLTLCDRCDRCAPTRDMLRADMVADMADM[5][5]
NOAA CorpsOCENSLTJGLTLCDRCDRCAPTRDMLRADMVADM[4][5][5]
[1] No universal insignia for officer candidate rank
[2] No official insignia and not currently listed by the Army as an obtainable rank.John J. Pershing's GAS insignia:General of the Armies (collar)General of the Armies (epaulettes)
[3] These ranks are reserved for wartime use only, and are still listed as ranks within their respective services
[4] Grade is authorized by theU.S. Code for use but has not been created
[5] Grade has never been created or authorized
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