As a follow on to the USAF looking for a new fighter in service by 2030.....
The Looming Air Superiority Train Wreck
.........."The Air Force’s realization of its declining air superiority capabilities places America’s allies in an invidious position. With doubts now about whether the U.S. Air Force can be relied upon to win future near-peer air battles, American allies may need to reconsider their force structure plans and alliance relationships. This later aspect might be especially prominent if worries over revisionist state adventurism materialize.
An option for the allies might be to delay buying the current F-35 configuration aircraft until the U.S. Air Force’s intentions concerning new air superiority systems are clearer. At that time, allies might then be able to buy into a long-term robust air superiority solution, perhaps some element of a systems of systems that might include evolved F-22s or F-35s (if they were allowed access to these). This approach would perhaps allow them to remain operationally useful American allies past 2030 when at the moment it seems their value sharply diminishes............"