Basic Details Surname Cooper Forenames J H Gender Male Information stated on memorial Alternative forename John War Second World War (1939-1945) Served or died Died Notes Additional information provided by the college website (see references). He died on board HM Trawler Rysa when it was sunk by a mine off Maddelena, Sardinia. Primary Service Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Volunteer Reserve Rank / Title (Primary - Our reference) Lieutenant Commander Death and Burial details Year of death 1943 Month of death December Age at death 31 Manner of death reference Killed in Action