Basic Details Surname Sanford Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 199941 Primary Service As stated on memorial Service (Primary - Stated) Royal Navy Unit (Primary - Stated) HM Submarine H3 Rank / Title (Primary - Stated) A/Seaman Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS H3 Rank / Title (Primary - Our reference) Able Seaman