What do the following initials mean on a headstone: FD, LM, PH?

Hi John - we're not sure what FD stands for, but the other two are typically used for Legion of Merit and Purple Heart. if there's a headstone you've seen that acronym on, please send us the grave location and we can look into it. For a full listing of headstone and marker inscriptions, please visit https://www.cem.va.gov/hmm/abbreviations.asp.

Best people to ask are cemetery staff I'd say.

I am sorry I have to agree with robert....so the to Robert say C A L L

C. A. L. L