Basic Details Surname Churchill Forenames John Preston Gender Male Information stated on memorial War Military Service Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) HM Submarine A1 Rank / Title (Primary - Stated) Sub Lieut Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS A1 Rank / Title (Primary - Our reference) Sub Lieutenant Death and Burial details Country of death English Channel Year of death 1904 Month of death March Day of death 18 Manner of death as stated Lost life after collision off Nab Light Vessel