FMS serial 93-0724. Serial 6623 is one of 150 Fighting Falcons ordered by the Republic of China Air Force (RoCAF, Taiwan Air Force) in 1992. The 120 As and 30 Bs were delivered under the Peace Fenghuang FMS programme. 6623 is assigned to the 21rd Tactical Fighter Group (21st TFG) that is commanded by the 4th Tactical Fighter Wing (4th TFW) / (455th TFW) at Chiayi. Most Taiwanese F-16s will be modified to F-16V. This 6623 was modified in 2021.