# Content This dataset consists of digitized paper mission reports from WWII. Each record includes the date, conflict, geographic location, and other data elements to form a live-action sequence of air warfare from 1939 to 1945. The records include U.S. and Royal Air Force data, in addition to some Australian, New Zealand and South African air force missions. # Acknowledgements Lt Col Jenns Robertson of the US Air Force developed the Theater History of Operations Reports (THOR) and posted them online after receiving Department of Defense approval.