How do i request my son's military records after his death for head stone?

Dear Ms. Stolis,

Thank you for using History Hub. You'll need the DD Form 214.

NARA has a web page with information about how to request military service records or prove military service: http://www.archives.gov/veterans/

Veterans and next-of-kin have the option of requesting copies online via NARA’s eVetRecs website: http://www.archives.gov/veterans/military-service-records/

We hope this information is useful.