I disagree

 

as they are fastly becoming irrelevant.

but the thing to know is:

"Carriers typically abide by the one-third rule that governs most fleets: At any one given time, one-third of ships are patrol, one third are preparing for or just coming off patrol, and another third are in maintenance at the shipyard."

Why 11 Navy Aircraft Carriers Simply Aren't Enough

"In emergencies, many (but not all) ships preparing for patrol 

can be surged early and ships returning can delay their returns. 

So, at any one given time, 

four out of 11 carriers 

might be available for operations, 

and up to five or six 

in emergencies."

We've got four out of our 11

Carrier Strike Groups 

out RN BTW.

USNI News Fleet and Marine Tracker: Oct. 16, 2023

Were getting 

"maxed out".

To counter Russia in the Black Sea?

We will need to refuel aircraft over Turkey.

What could go possibly go wrong?