[Mz]

To answer your stated question: My ex was career military. He spent more than 20 years in the army before retiring and we were married more than twenty years. Thus, as long as I don't remarry, I am technically entitled to free medical care for life through the military medical system. However, I never bothered to renew my military ID when it expired and I haven't seen a doctor in like six and half years, so it might be difficult or impossible for me to take advantage of those benefits. I don't really care.

To provide info that might be useful on the assumption that you are American and that what you really want to know is how to best take care of your needs: New laws mean some Americans can get covered under their parent's healthcare plan up until age 26, even if married. This isn't necessarily free, but for some people it opens up additional opitions they wouldn't otherwise have.