Talk to Air Force recruiter to see if it is a job you are interested in. They will give you an ASVAB test. After you take a test and determine a score, then, the recruiter will tell you what jobs that you qualify for. You will be given a list to choose from. The recruiter will then look up openings and Air Force needs. If the Job is available you will be given a timeframe to prepare for the go to basic training. During with time, you will work out to prepare for basic training.