Basic Details Surname Mantle Forenames Jack Gender Male Information stated on memorial War Military Service Served or died Died Honours VC Primary Service As stated on memorial Unit (Primary - Stated) HMS Foylebank Rank / Title (Primary - Stated) Leading Seaman Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Foylebank Rank / Title (Primary - Our reference) Leading Seaman Death and Burial details Year of death 1940 Month of death July Day of death 4 Manner of death as stated Lost aboard HMS Foylebank in Portland Harbour Manner of death reference Other