Basic Details Surname Challis Forenames F L Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Served Notes Injured in the explosion Primary Service As stated on memorial Service (Primary - Stated) Royal Air Force Unit (Primary - Stated) RAF East Kirkby Rank / Title (Primary - Stated) LAC Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Rank / Title (Primary - Our reference) Leading Aircraftman/Airman Status Notes Lancaster ground explosion 17/04/1945 4 deaths, 15 injuries