Provided with personnel (6)

I think it could be either:

Which length description are you looking for?:

manned

(Other definitions for manned that I've seen before include "Supplied with people for service - men only" , "Staffed" , "Having a human crew" , "Crewed" , "Provided with workers" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.