Camp was one for training astronaut (10)

I believe the answer is:

spacewoman

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

'astronaut' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'camp was one for training' is the wordplay.
'for training' is an anagram indicator ('train' can mean to shape the growth of a plant).
'camp'+'was'+'one'='campwasone'
'campwasone' anagrammed gives 'SPACEWOMAN'.

Can you help me to learn more?

(Another definition for spacewoman that I've seen is " Distant traveller".)

I've seen this clue in The Times.

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