Continuing to delve into the latest World Naval Review in their review of the future of the USN CVN 's they point out that it costs as much to refuel a Ford as it would have cost to buy a QE - thus the proposal in Feb 2019 (rescinded) not to extend the life of the Harry S Truman and use the money elsewhere.
A QE could operate a small airwing and if equipped with drones could have a similar reach to a Ford - which has all the bells and whistles but operates aircraft of limited range