lieutenant junior grade

Noun

 * 1) A commissioned officer of the United States Navy whose rank is above an ensign's and below a lieutenant, or a corresponding rank in other navies.
 * 2) A commissioned officer in the United States Coast Guard, Public Health Service, or National Atmospheric and Oceanic Administration whose rank is above an ensign and below a lieutenant.

Usage notes
When used as a title, it is always capitalized.
 * Example: Lieutenant Junior Grade John Smith. The rank of lieutenant junior grade corresponds to pay grade O-2.

Abbreviations: LTJG, L.t. (j.g)

Translations

 * Finnish:
 * Greek:
 * Italian: sottotenente di vascello,