Basic Details Surname Calder Forenames Charles M 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) RAF Rank / Title (Primary - Stated) Sgt WO AG Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Rank / Title (Primary - Our reference) Sergeant (Air Gunner)