All the holes have been precisely drilled by the machines when the fuselage pieces are being fabricated.What is the science behind these parts need to manually drilling holes not by machines?
We have seen news about a new radar being installed on that forum a couple of day ago on j-10a and new WS-10 installed on J-10s that had al-31 before. Maybe it's part of an extension program or maybe part of testing for one.Does anyone know if there is a life extension program in the works to extend the life of the (earliest) J-10?