Neighbouring Canada wanting an American jet for deployment (8)

I believe the answer is:

adjacent

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'neighbouring' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for adjacent that I've seen before include "Next-door" , "next door" , "Neighbouring" , "Lying near, bordering" , "Abutting" .)

I've seen this clue in The Independent.

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