I believe there is a 4 dig right now that actually has an undergrad, because he never got apptd until his sr yr. It becomes very difficult to make that decision when you are able to be commissioned and start your career or go back and start college all over again. It might be easier for some if not only his an SA experience important, but when you got your assignment and you wanted UPT, but didn't get it, so you decide to try again. Here's the problem with that thought, now you are really coming up on the age limit for UPT, so then the AF has to weigh that option also.