Certain soldiers’ right to be spaced out (7)

I believe the answer is:

redcaps

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'certain soldiers' right to be spaced out' is the definition.
I can't tell whether this defines the answer.

'right to be spaced out' is the wordplay.
'right' becomes 'r' (common abbreviation).
'to' means one lot of letters go next to another.
'out' is an anagram indicator (out can mean wrong or inaccurate).
'spaced' anagrammed gives 'edcaps'.
'r'+'edcaps'='REDCAPS'

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(Another definition for redcaps that I've seen is " Military police".)

I've seen this clue in the Evening Standard.

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