Basic Details Surname Hart Forenames G 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) C8 Rank / Title (Primary - Stated) Lieut Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS C8 Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Year of death 1907 Month of death June Day of death 13 Manner of death as stated Lost their lives in Submarines or on Submarine Service