I don't drink alcohol and your right I don't know much about medical cost because I am not sick like you apparently are. Go back to your inhaler or oxygen tank.
if you go to the TRICARE site you can print out proof of coverage but like I said earlier, they usually want to amounts of coverage. Try it anyway and see if it works. Good luck.
you cannot legally be married in Thailand unless they pass that bill that Brandon mentioned. Thailand will not recognize your marraige even if you get married before you arrive.