Obviously things are changing over time, Indonesia had not been happy with the ways things were with IFX and was dragging feet when it came to make payments which seems to have paid off towards getting a better plane. I am unaware what national security threats Indonesia is facing other than possible hostility from China and which countries the IFX is meant to be usable against but every piece of American equipment is given with calculated outcomes. Mainly the engines.It is similar, I can show you the news from comment from KF21/IFX project manager from Indonesia. Previously there should be a different in refueling system where IFX will use probe and KF21 will use boom system, but later this year it is confirmed that it will be the same, both using boom system.
Stealth is in the skin ( fuselage ) while Indonesia Aerospace will produce the fuselage components for all KF21/IFX, not only Indonesian IFX. The detail I have already posted above this post.
USA doesnt provide 4 critical technology where one of them will be AESA and this will be developed by Korean with Israel assistance.
The problem with USA in term of Indonesia participation is not due to the application, but TOT coming from USA where it is part of USA promise to Korea after SK bough F 35 from USA. You do understand the difference between TOT and application right ?
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