it won't expand - they'll just say "we've scrapped all those cranky A-10's to pay for 150 F-35's - but they can do all they A-10's did and more so we don't plan any direct replacement numbers... make do with the 150 we've got for strike/ASW/air defence..."
Something like this happened with the F-18 TBH - which seems to have "replaced " all just about everything but AEW and COD on USN carriers