On Mon, 26 Feb 2018 08:31:30 -0500, John H.
wrote:

Kiddy cruise. Join the navy reserves while in high school. When you
graduated, went to basic and 2 years duty. Then discharged. At least
when I was in high school.

I don't think the Army ever had anything like that. The least time for a voluntary enlistment was
three years. For a draftee, the time was two years. But draftees weren't drafted at 18 either. I was
21 when I got my notice.

I know some 18-19 year old draftees circa 65-66.
Did you have a deferment?