Basic Details Surname Jackson Forenames O W Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Served Honours Member of the Milt Div of the most excellent OBE Notes In the prison service he held the rank of Officer at Chelmsford Prison Primary Service As stated on memorial Service (Primary - Stated) Navy Unit (Primary - Stated) Royal Marines Rank / Title (Primary - Stated) Capt Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Marines Rank / Title (Primary - Our reference) Captain