Basic Details Surname Head Forenames Frank Joseph 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) Navy (RN) Unit (Primary - Stated) Submarine C34. Rank / Title (Primary - Stated) Petty Officer 1st Class. Our References Service (Primary - Our reference) Royal Navy Rank / Title (Primary - Our reference) Petty Officer 1st Class Death and Burial details Country of death At Sea Country of burial Not Stated on Memorial Cemetery Not Stated on Memorial Year of death 1917 Month of death July Day of death 21 Manner of death as stated Died in North Sea Manner of death reference Other Personal Details Occupation Not Stated on Memorial