The AIDC F-CK-1 Ching-kuo (經國, named after late ROC President Chiang Ching-kuo), also known as the Indigenous Defence Fighter, is a military aircraft produced by the Aerospace Industrial Development Corporation based in Taichung for the Republic of China (Taiwan) Air Force. First introduced to active service in 1994, many aspects of the aircraft were based upon the F-16 Fighting Falcon.