WI:Would the Royal navy keep using Gannet AEWs into 21st Century?

in the hypothetical situation that the Royal Navy managed to obtain/maintain a CATOBAR carrier (rather it be CVA-01 or a smaller equivalent) from the 80s into the early 2000's would they still be using the Gannet AEW (obviously upgrade and modified as time progresses, so it would look like the proposed AEW 7 variant) or would we see the RN purchase the American E2 Hawkeye by the turn of the century?
 
I doubt the Royal Navy would keep the Gannet this long due to structural life issues. They would be operating the E-2 Hawkeye instead.
 
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