In regards the the utility of aircraft carriers in the future, there was a study from the CSBA that looked at how the future US carrier operations and US carrier airwing might be reoriented for future high end warfare, circa 2040.
I strongly recommend a read of it because it lays out some interesting and IMO quite reasonable ideas for future carrier ops:
Key ideas of note include:
- having carriers operate in groups of at least two
- having strike/anti surface warfare aircraft operate between 500 nmi and as much as 1000 nmi from a carrier
- use of long range multi mission UAVs for the purposes of strike, ISR, CAP, and ASW, including up to ranges of the aforementioned 1000 nmi, as well as unmanned electronic warfare aircraft
- having a long range fighter aircraft
- future carrier air wings will be required to operate 1000 nmi away from significant threats
Some representative summary images depicting air defense operations, ASW operations, and air refuelling operations for long range UCAVs are depicted below:
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Of course, this above is all oriented for the USN's mission and threat profile that they may face going into the future, with the opfor of course being China.
However of note, is that this study continues down the path of having large nuclear powered super carriers and with large air wings that combine manned fighters and a large unmanned UAV/UCAV complement.
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Now, the question is what kind of mission would the PLAN see its carriers having for the high end fight in the medium to long term, and what capabilities would they need to fulfill it?