Crossword Genius

One lot (nameless) trained with RAF fliers (8)

Ross

I believe the answer is:

aeroflot

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

'fliers' is the definition.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Another definition for aeroflot that I've seen is " Russian airline".)

I've seen this clue in The Independent.
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