DARPA ACE AI Flights F-16 Fighter Jet:
https://news.slashdot.org/story/23/02/14/1631249/ai-has-successfully-piloted-a-us-f-16-fighter-jet-darpa-says

the previous DARPA AlphaDogfight Trials were run in a simulator:
https://www.darpa.mil/news-events/2020-08-07