https://www.investors.com/news/sixth-generation-fighter-prototype-flies-secret-air-force-tests/
https://www.investors.com/news/sixth-generation-fighter-prototype-flies-secret-air-force-tests/
More details about the NGAD program in this: https://theaviationist.com/2020/09/...-demonstrator-of-its-next-generation-fighter/
"The NGAD [Next Generation Air Dominance] has come so far that the full-scale flight demonstrator has already flown in the physical world. It's broken a lot of records," Air Force acquisition chief William Roper said during the Air Force Association's annual Air, Space & Cyber Conference.
https://www.investors.com/news/sixth-generation-fighter-prototype-flies-secret-air-force-tests/
More details about the NGAD program in this: https://theaviationist.com/2020/09/...-demonstrator-of-its-next-generation-fighter/