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Minor stations a junior army officer has to go round (5)

Ross

I believe the answer is:

halts

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'minor stations a junior army' is the definition.
I can't tell whether this definition defines the answer.

'officer has to go round' is the wordplay.
'officer' becomes 'lt' (abbreviation for lieutenant).
'to go round' means one lot of letters goes inside another.
'lt' placed into 'has' is 'HALTS'.

Can you help me to learn more?

(Other definitions for halts that I've seen before include "Brings to an end" , "Stops moving or progress" .)

I've seen this clue in the Evening Standard.
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