Basic Details Surname Keith-Johnston Forenames David Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Navy (RN) Unit (Primary - Stated) Royal Naval Air Service Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Air Service Death and Burial details Year of death 1915 Month of death August Day of death 10 Age at death 20 Manner of death as stated Unknown