Knowledge man!
now they are producing good fighter planes and are aiming to a 5th gen fighters, while some most devloped countries do not have plains to replace Rafales and Typhoons they have already started their 5th gen fighter study and now they have produced so far almost every fighter plane they fly , like USA
its a long and slow process, they're gathering the results now...i wish my country could done something similar in the past, but the bugetary cuts in the 90's and early 2000's simply wiped out all brazil techological resuts we had in the past with Mb-326 and AMX...we basically still using foreing military equipment when the lack of vision of my pollitics killed our bellic program, a bad example of how to not get technology.