Lieutenant (junior grade)

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-1a. 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.

A U.S. Navy lieutenant junior grade.
Naval officer ranks
Flag officers
Senior officers
Junior officers
U.S. Navy, U.S. Coast Guard, U.S. NOAA Commissioned Officer Corps and U.S. PHS (Assistant) insignia of the rank of Lieutenant (junior grade). Style and method of wear may vary between the services.

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 and Air 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]

  • A U.S. Navy LTJG's insignia.
  • A U.S. Coast Guard LTJG's insignia.
  • A U.S. NOAA Commissioned Officer Corps LTJG's insignia.
  • A U.S. Public Health Service Commissioned Corps LTJG's (Assistant) insignia.

Notable LTJGs

Fictional LTJGs
gollark: Like this.
gollark: Basically ASCII art of a hexagon.
gollark: I probably *could* just go for "scan through the grid to find matching first letters, find neighbours which match any relevant second letters" but that seems less nice and also I don't know how to find the neighbours.
gollark: Aidan managed to make a cryptic but apparently functional solution in the traditional how does this even work Aidan style, I'm stuck trying to work out the coordinate systems.
gollark: So, I'm doing a programming puzzle thing to find words in a hexagonal wordsearch thing.

See also
  • Comparative military ranks
  • U.S. Navy officer rank insignia

References
  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. 1. St. Paul: Wast Publishing Company. p. 1062.
  4. "U.S. Navy history of LTJG George H. W. Bush".
  5. "G.I. Jobs -April 2008". Archived from the original on 2006-03-10.
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