Basic Details Surname Tarn Forenames Mark Aitchison 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 Navy Rank / Title (Primary - Stated) Engine room artificer Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Engine Room Artificer Death and Burial details Town of death Mediterranean Year of death 1915 Month of death August Day of death 31 Age at death 21 Manner of death as stated Killed In Action Manner of death reference Killed in Action