Basic Details Surname Clayton Forenames Alexander Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Notes The memorial entry states Private , this is not a valid rank for the Royal Air Force so the nearest equivalent , aircraftman , has been used for "our references" Primary Service As stated on memorial Unit (Primary - Stated) RAF Rank / Title (Primary - Stated) Pte Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Unit (Primary - Our reference) Royal Field Artillery Rank / Title (Primary - Our reference) Private