Military trainees (6)
I believe the answer is:
cadets
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">military trainees</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cadets that I've seen before include "Military trainees" , "Army officer trainees" , "Trainee army officers" , "Pupils" , "Officers potentially" .)