Former Type of Military Promotion

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1563, Puzzle 2 (Preservation).

Question is: Former Type of Military Promotion

and the answer is: BREVET

Word Meaning:

BREVET — A military document entitling a commissioned officer to hold a higher rank temporarily, but without an increase in pay.

Definitions from Wiktionary.