Civilian fighting force (7)
I believe the answer is:
militia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">civilian fighting force</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 militia that I've seen before include "Citizen soldiery" , "Civilian fighting force" , "Civilian army force" , "Force raised for emergency" , "Armed body" .)