The U.S. Air Force is testing a new fighter jet prototype designed and built under its Next Generation Air Dominance (NGAD) program. The mystery aircraft has already been flown, although it has not been made public how many prototypes have been built or how much flight time the design has accrued. Details about the fighter’s potential performance and capabilities are also being kept classified.
This is a companion discussion topic for the original entry at https://www.avweb.com/aviation-news/military-aviation/air-force-flying-new-fighter-prototype