Crossword Genius

What soldiers eat in combat? (7)

Ross

I believe the answer is:

warfare

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

'combat?' is the definition.
(I've seen this before)

'what soldiers eat' is the wordplay.
I cannot really understand how this works, but
'soldiers' could be 're' (Royal Engineers) and 're' is present in the answer.
This may be the basis of the clue (or it may be nonsense).

'in' is the link.

Can you help me to learn more?

(Other definitions for warfare that I've seen before include "Campaigning" , "action" , "All-out fighting" , "Scraps, too, by the look of it" , "Strife" .)

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