Everyone else’s stuff can’t touch even F35s. Yes, the program had problems, but per public media they’ve been sorted out. See https://www.ainonline.com/aviation-news/defense/2018-04-20/f-35-program-completes-last-developmental-test-flight
Well, that’s except for some of our newest stuff. What, people think toilet seats really cost $5k each and our scientists haven’t kept working (even under Obama)?! LOL.
To be fair, I haven’t been involved for over a decade so this is just supposition. But I do know how to read contrails, for example donughts on a rope contrails.
Sorry donuts on a rope contrails. And heck even that stuff is old.