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Lieutenant, Junior Grade

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Lieutenant, Junior Grade[1] is a junior commissioned officer rank of the UNSC Navy, equal in rank to First Lieutenant in the UNSC Marine Corps, UNSC Air Force, and the UNSC Army.

Style of addressEdit

  • Lieutenants, Junior Grade are referred to as "Junior Lieutenant" or "Second Lieutenant" in informal settings.
  • Lieutenant, Junior Grade can be abbreviated as or "LTJG."



  1. Halo: Ghosts of Onyx, page 367, "As acting CO of Blue Team, I am hereby granting you a field commission to the rank of Lieutenant, Junior Grade, Kurt told Fred."

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