The only jet aircraft that has a limitation on what rank it takes to fly it is the AV-8B Harrier. The reason being is becuse it takes far longer to get real experiance to learn to fly a jet that flys like no other in our services. The lowest rank to fly one is Captain.
According to what I've read, pilots who are selected to try out for the F-22 program go through 5 weeks of testing in an F-16. I don't know how much training raw recruits have to have before they can fly the F-16, but I would imagine that the training takes a minimum of a few months. In a nutshell, the USAF does not put noobs in Raptors.
Dumbass............. Those pilots that go through the 5 weeks of testing are in addition to their basic flight training.
A minimum of a few months
Again you are trying to discuss things that you have no clue on.