What contract options are available to enlisted Army recruits?

Yes there is a magical place I know about. Your local Armed Forces Career Center A.K.A. Recruiting Office

If there is , it changes very quickly- that's one of the big problems recruiters have- keeping up with it.

To get the right answer, you are going to need to visit a recruiting station and speak to a recruiter. Enlistment programs and options are tied to specific jobs, frequently change, and are based on a person's qualifications. Goarmy.com is a good source for general information, but that is all. The recruiter will have access to the current availability of enlistment options based on your qualifications.