I really don't want to pry in to your personal life but I am baffled at what could be keeping you from going to college, getting financial aid, or enlisting in the military.

As a side note, I wouldn't recomend enlisting in the Air Force just to get money for college unless you really have to. It may not seem like it but a four year contract is a long time, and it drags on and on and on if you don't want to be doing what you're doing. Make sure that you are joining the military for the right reasons, don't just do it because its cool.

*Edit - What Rick said.