Basic Details Surname Thomson Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Reserve Rank / Title (Primary - Our reference) Leading Seaman Death and Burial details Country of death Mediterranean Sea Year of death 1917 Month of death February Day of death 22 Age at death 37 Manner of death as stated Drowned on active service Manner of death reference Killed in Action