Attend one of their meetings, taking your DD214 with you. The detachment will have an application for you there to fill out.
How much is it to join?
1. Annual dues for the Flint Detachment is $30
2. Once you are a member (in good standing) you may pay for a life membership.
Life Membership dues As of Jan 1, 2009
To become a Life Member, you must already be a “Member in Good Standing”. That means becoming a member and paying your initial dues first. Yes, according to the Bylaws, you could join the League, pay your dues and then pay your Life Membership Dues all in the same day.