Basic Details Surname Calder Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Unit (Primary - Stated) R.M. Artillery Rank / Title (Primary - Stated) Gunner Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Marine Artillery Rank / Title (Primary - Our reference) Gunner Death and Burial details Manner of death reference Not Applicable