Basic Details Surname Coller Forenames Bernard T Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Rank / Title (Primary - Stated) Flt. Lieutenant Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Rank / Title (Primary - Our reference) Flight Lieutenant Secondary Service As stated on memorial Unit (Secondary - Stated) 9th Squadron Our references Service (Secondary - Our reference) Royal Air Force/ Royal Flying Corps Death and Burial details Manner of death as stated Killed In Action Manner of death reference Killed in Action