Basic Details Surname Needhqm Forenames J. K. Gender Male Information stated on memorial War Military Service Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Royal Navy Unit (Primary - Stated) H. M. S. SIDON Sub-unit (Primary - Stated) Not Stated on Memorial Rank / Title (Primary - Stated) LT CR (E) Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Sidon Rank / Title (Primary - Our reference) Lieutenant Commander (E) Death and Burial details Country of death England Town of death Portland Harbour Year of death 1955 Month of death June Day of death 16 Manner of death as stated A high test Peroxide experimental torpedo explosion when berthed alongside Submarine Depot Ship H.M.S. MAIDSTONE Manner of death reference Other