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Lieutenant (junior grade)

From Wikipedia, the free encyclopedia

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

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  • U.S. Navy Social Worker - Lieutenant Junior Grade Samantha Penney
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Currently I work at Walter Reed Bethesda and I'm a social work intern getting my two-year clinical supervision. We do five-month rotations in different clinics. And currently I'm working in psychiatric consultation liaison services which really means that we're working with inpatient wounded warriors and their families, and it's very exciting and fulfilling work. Before me, the way the Navy developed social workers is they'd take them from the civilian world, commission them, and then they'd be a Navy social worker. My story was a little bit different. I went to my re-designation officer and asked if there was anything I could do for the Navy in the mental health field. And he found out that the Navy was interested in creating social workers. They trained me while I was in the Navy to be a social worker. So I'm the first one they've ever done that with and everybody's following in my footsteps. There are so many benefits that come from being in the Navy. There's financial benefits, healthcare benefits, education benefits. Part of being a social worker is you're required to have continuing education units. And in the Navy they are offered practically nonstop and most of them free of charge. So you really can't beat all those benefits and the availability that the Navy provides to you for your education and your continuing education. I wanted to be in the Navy since I was 13 years old. My family is very patriotic, very supportive of this country. When I told them that I wanted to be in the Navy, they couldn't have been more proud. To know that I'm giving back to those who serve or who have served before me is very important. I'm Lieutenant JG Samantha Penny. I'm a social worker in the United States Navy. For more information, go to or find us on Facebook.

United States

Lieutenant (junior grade)
Navy and Coast Guard insignia
Public Health Service and NOAA insignia
Country United States
Service branch United States Navy
 United States Coast Guard
United States Public Health Service Commissioned Corps
NOAA Commissioned Officer Corps
Rank groupJunior officer
NATO rank codeOF-1
Pay gradeO-2
FormationMarch 3, 1883
Next higher rankLieutenant
Next lower rankEnsign
Equivalent ranksFirst lieutenant

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

Lieutenant (junior grade) ranks above ensign and below lieutenant and is equivalent to a first lieutenant in the other uniformed services (the Army, Marine Corps, Air Force, and Space Force) and sub-lieutenant in the Royal Navy and the navies of many Commonwealth countries.

Promotion to LTJG is governed by Department of Defense policies derived from the Defense Officer Personnel Management Act 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 or 18 months in the Coast Guard. Lieutenants, junior grade typically lead petty officers and non-rated personnel, unless assigned to small aircraft or on staff duty. A LTJG's usual shipboard billet is as a division 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 as master.[3]

Notable LTJGs


See also


  1. ^ 10 USC 5501. Navy: grades above chief warrant officer, W–5
  2. ^ 37 USC 201. Pay grades: assignment to; general rules
  3. ^ Mallory, John A. (1914). Compiled Statutes of the United States 1913. Vol. 1. St. Paul: Wast Publishing Company. p. 1062.
  4. ^ "G.I. Jobs -April 2008". Archived from the original on 2006-03-10.
  5. ^ Antigua & Barbuda Defence Force. "Paratus" (PDF). Regional Publications Ltd. pp. 12–13. Archived from the original (PDF) on 7 June 2022. Retrieved 2 March 2020.
  6. ^ "Defense Act of 2008" (PDF). 3 September 2008. p. 8. Retrieved 20 November 2017.
  7. ^ "BADGES OF RANK". Official Jamaica Defence Force Website. 2019. Archived from the original on 20 August 2020. Retrieved 16 November 2019.
  8. ^ "Government Notice" (PDF). Government Gazette of the Republic of Namibia. Vol. 4547. 20 August 2010. pp. 99–102. Retrieved 20 December 2021.
  9. ^ a b "U.S. Military Rank Insignia". Department of Defense. Retrieved 13 January 2022.
This page was last edited on 28 May 2024, at 00:45
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