http://www.businessinsider.com/f-35-russia-china-radar-counter-stealth-2017-5
https://theaviationist.com/2017/02/05/f-35s-kill-ratio-with-aggressors-stands-at-151-during-red-flag-17-1-most-probably-thanks-to-the-supporting-f-22/
https://theaviationist.com/2017/05/31/red-flag-memories-combat-pilot-explains-how-rf-has-evolved-and-why-the-f-35-is-a-real-game-changer-in-future-wars/