Basic Details Surname Colbran Forenames C J Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Honours DSM Primary Service As stated on memorial Service (Primary - Stated) R N Unit (Primary - Stated) HM Submarine H5 Rank / Title (Primary - Stated) P O Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS H5 Rank / Title (Primary - Our reference) Petty Officer Death and Burial details Country of death Wales Town of death Caernarfon Bay Year of death 1918 Month of death March Day of death 2 Manner of death as stated Lost in Caernafon Bay Manner of death reference Other