Basic Details Surname Rivers Forenames Evelyn D Dunbar Dunbar Gender Male Information stated on memorial Alternative surname Dunbar-Dunbar-Rivers War First World War (1914-1918) Served or died Died Notes Lost at sea when his ship, HMS Vanguard suffered an explosion, probably from one of its magazines while it was berthed at Scapa Flow. Primary Service As stated on memorial Service (Primary - Stated) Royal Navy Unit (Primary - Stated) H.M.S. Vanguard Rank / Title (Primary - Stated) Lt Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Vanguard Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of burial England Town of burial Chatham Cemetery Chatham Naval Memorial Year of death 1917 Month of death July Day of death 9 Age at death 26 Manner of death reference Other