Basic Details Surname Mackenzie-Edwards Forenames Roderick Petvin Gender Male Information stated on memorial War Military Service Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) HMS Affray Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HM Submarine Affray Rank / Title (Primary - Our reference) Sub Lieutenant Death and Burial details Country of death At sea Year of death 1951 Month of death April Day of death 17 Manner of death reference Other