Crossword Genius

Make extensive use of troops? (6)


I believe the answer is:


I'm a little stuck... Click here to teach me more about this clue!

'use of troops?' is the definition.
'deploy' can be an answer for 'use' (I've seen this before). I'm not sure about the 'of troops?' bit.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for deploy that I've seen before include "Place (forces) strategically" , "Move (forces) into action" , "Bring into action sustematically, say troops" , "Put into effective position" , "Spread troops" .)

I've seen this clue in The Globe and Mail.
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