Basic Details Surname Armstrong Forenames H S 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) Sub-unit (Primary - Stated) Royal Naval Air Service Our References Service (Primary - Our reference) Royal Navy Death and Burial details Town of death Dardanelles Year of death 1915 Month of death May Day of death 14 Age at death 21 Manner of death as stated Unknown