Lieutenant (junior grade)

junior commissioned officer rank in the United States

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).

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.

LTJG has a US military pay grade of O-2.[1][2]

The rank is also used in the United States Maritime Service.


  1. 10 USC 5501. Navy: grades above chief warrant officer, W–5
  2. 37 USC 201. Pay grades: assignment to; general rules