Basic Details Surname Walker Forenames John Campbell Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) RFC Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Unit (Primary - Our reference) Royal Field Artillery Death and Burial details Year of death 1917 Month of death April Day of death 15 Manner of death as stated Killed in action Manner of death reference Killed in Action