Apologies if this isn't a proper place to ask-I figured if anyone would know, it would be you guys.
I know the years he served, his name, and his unit. For the first time since i've known him, my Grandfather opened up about his experiences in Vietnam over thanksgiving. He said that of all the things he wanted to forget over there, the one thing he wanted to remember was his friendship with his buddy. I'd like to track down his buddy, and set up a reunion if possible.
Hello there! As your question is related to looking for identification/information regarding military personnel, our Guide on Military Identification may be of use to you. It provides a number of different resources, including how to request service records from a number of national agencies around the world, as well as graphical aids to assist in deciphering rank, unit, and other forms of badges or insignia. While the users here may still be able to lend you more assistance, hopefully this will provide a good place to start!