Basic Details Surname Cooper Forenames Geoffrey Desmond Astley Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) ROYAL NAVY Rank / Title (Primary - Stated) Sub Lieutenant Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) The Honourable Artillery Company Rank / Title (Primary - Our reference) Sub Lieutenant Death and Burial details Year of death 1940 Month of death July Day of death 27 Age at death 21 Manner of death as stated Killed in Action Manner of death reference Killed in Action