Word Called to Make Soldiers Stand Straight; Focus

This page is the CodyCross answer for the clue below from Making a Documentary, Group 1503, Puzzle 3 (Tripods and Rigs).

Question is: Word Called to Make Soldiers Stand Straight; Focus

and the answer is: ATTENTION

Word Meaning:

ATTENTION — (uncountable) Mental focus.

Definitions from Wiktionary.