Well, I am not really sure that you can actually find this kind of course. The only thing that comes to my mind is the marine technical schools. However, as I know a couple of them have been closed, you won't find exactly what you need in some others. I have a friend called Jack who is also a former NAVY, but he was a doctor. So, he has had a great MCAT score. He has actually got an insane score! It was above 500 points. So, he is leading some special courses for the young navy, teaching them the basics of first aid. If you do not know what MCAT is or want to find out how to get the best possible score, just
read this article. Jack has also read it before passing the exam.