Hope this isn’t breaking rules. He never talked about his experiences as a service man in bomber command. I’d like to know some of the back story behind his medals.
Depending on the war or conflict, I'd ask the subreddit for that particular war/conflict. Also, r/MilitaryHistory and r/Militariacollecting would be good bets. And the last suggestion would be to Google (his nation) (his war) (his branch of service) medals and see what you see.
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!