In 2017 and 2016, the U.S. Marine Corps Air Station Beaufort, South Carolina, conducted ‘dissimilar’ air combat training, pitting contracted (Airborne Tactical Advantage Company [ATAC]) Israeli made F-21 Lion (Kfir, modified Dassault Mirage) against the super expensive F-35B.
F-21 Lions used to be operated by the U.S. Navy-Marine Corps.