Military commander (7)
I believe the answer is:
general
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">military commander</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for general that I've seen before include "High-ranking officer" , "Not partial, local or particular like army chief" , "Usual; officer" , "Not particular or specific" , "Enlarge for senior army officer" .)