Basic Details Surname Callaby Forenames Walter Gender Male Information stated on memorial War First World War (1914-1918) Served or died Not Stated on Memorial Primary Service As stated on memorial Service (Primary - Stated) The Army Unit (Primary - Stated) R.F.A Rank / Title (Primary - Stated) Bombadier. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Field Artillery Rank / Title (Primary - Our reference) Bombardier