Basic Details Surname Isaacs Forenames R.j. Gender Male Information stated on memorial War First World War (1914-1918) Primary Service As stated on memorial Service (Primary - Stated) Navy Unit (Primary - Stated) Royal Marine Engineers Rank / Title (Primary - Stated) L/Cpl. Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Marine Engineers Rank / Title (Primary - Our reference) Lance Corporal