Basic Details Surname Halliday Forenames Charles Guy 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) HMS Vanguard Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Vanguard Death and Burial details Year of death 1917 Month of death July Day of death 9 Age at death 24 Manner of death as stated Perished with HMS Vanguard