go to your local recruiters. look on their web page and under recruiters type in their zip. By the way, you can join with no experience so just because you have experience doesn't matter at BCT.
As long as you have your high school diploma and have no felony charges on your record, then all you have to do is walk into a recruiters office. They'll take care of everything...mostly.
talk to a recruiter, in short the biggest disqualifiers:
-Overweight
-ADHD /ADD
-Depression meds
-Low ASVAB scores
-Possesion, intent to sell, any drug charge
-Any other Serious law stuff