Basic Details Surname Knock Forenames D A. Gender Male Information stated on memorial War Korean War (1950-1953) Served or died Died Notes Other qualifications ; M.B. B.S. Primary Service As stated on memorial Service (Primary - Stated) Navy (Royal Navy) Unit (Primary - Stated) Royal Marines Rank / Title (Primary - Stated) Surgeon Lieutenant Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Marines Rank / Title (Primary - Our reference) Surgeon Lieutenant