Basic Details Surname Chapelle Forenames R C 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) RNR or RNVR Unit (Primary - Stated) H.M. Turbine Sweeper ST Seriol (sic Seiriol) Rank / Title (Primary - Stated) Sub Lieutenant Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Sub Lieutenant Death and Burial details Year of death 1918 Month of death April Day of death 25 Manner of death as stated Mined Manner of death reference Killed in Action