Lieutenant, Junior Grade
From Halopedia, the Halo wiki
 Style of address
- Lieutenants, Junior Grade are referred to as "Lieutenant" in informal settings.
- Lieutenant, Junior Grade can be abbreviated as or "LTJG".
- Preston Cole was likely a Lieutenant, Junior Grade when he was aboard the UNSC Las Vegas during the Callisto Incident. Though he is referred to as a "Second Lieutenant," that is not a Navy rank, therefore he was most likely a Lieutenant, Junior Grade, or the Navy equivalent to 2nd Lieutenant, Ensign.
- Jacob Keyes held this rank when he first traveled with Catherine Elizabeth Halsey on the shuttle, Han, to seek out potential SPARTAN-II candidates.
- James Gregory Cutter also held this rank while on the UNSC Brilliant Shores, and as well as on the UNSC Final Summit.
- ^ 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."
|UNSC Defense Force commissioned officer ranks|
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