Basic Details Surname Armstrong Forenames C E Gender Male Information stated on memorial War Military Service Served or died Died Primary Service As stated on memorial Service (Primary - Stated) HM Submarine Service Unit (Primary - Stated) A3 Rank / Title (Primary - Stated) ERA Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS A3 Rank / Title (Primary - Our reference) Engine Room Artificer Death and Burial details Year of death 1912 Month of death February Day of death 2 Manner of death as stated Lost their lives in Submarines or on Submarine Service