see the recruiter, take asvab chose a job and go to training then wait to get assigned to a unit, then do your job and make rank, its easy service you just have to be willing to do the work

THere is no real interview process for the army. You have to pass an aptitude test, as well as pass the medical and other screenings to be considered eligible to serve. The aptitude test will tell you what jobs in the Army you are eligible to do. From jobs and career fields as diverse as medical to combat arms, the asvfab is the aptitude test you need to prepare for.