Two IDF fighters that were assigned to flight test duties with CSIST will be transferred back to the RoCAF. This allows the fleet size to grow to 129 aircraft.
By 玄史生 (Own work) [CC BY 3.0], via Wikimedia Commons
The two jets, a single-seater and a twin-seater, were involved in the IDF upgrade program and were put in storage after the project was over.