Original sentence: It entered active service with the Republic of China Air Force in 1994, and 130 production aircraft had been manufactured by 1999.The AIDC F-CK-1 Ching-kuo (經國號戰機) is an air superiority fighter named after a former President of the Republic of China, Chiang Ching-kuo.The Indigenous Defense Fighter (IDF) was produced with assistance by American corporations, led by General Dynamics
Edited sentence: After initial feasibility assessments, the jet fighter was designed and built by the Aerospace Industrial Development Corporation (AIDC) based in Taichung, Republic of China (Taiwan).It entered active service with the Republic of China (Taiwan) Air Force in 1994, and 131 production aircraft had been manufactured by 1999.The AIDC F-CK-1 Ching-kuo (經國號戰機), commonly known as the Indigenous Defence Fighter (IDF), is a technologically advanced air superiority jet fighter with multirole capability named after the late President of the Republic of China (Taiwan) Chiang Ching-kuo.The IDF jet fighter project was a major priority and technological achievement of the domestic industries of the Republic of China (Taiwan) with some minor subsystems and consultation subcontracted to United States defense companies due to the refusal of the USA and other countries to sell advanced jet fighters to the politically isolated ROC (Taiwan).The IDF program was initiated when purchase of the US -built F-20 Tigershark and F-16 Fighting Falcon ran into political problems and were denied to the Republic of China (Taiwan) due to pressure from the People's Republic of China (PRC).This resulted in a domestic aerospace engineering research and development effort for an indigenous Taiwanese made high technology jet fighter