"They knew about planes that since 1939 had been falling out of the sky."

World War II Plane, North Africa
Creative Commons Attribution Share AlikeWorld War II Plane, North Africa - Credit: gbaku
The year 1939 marks the beginning of World War II. The deserts of North Africa ceased to be a playground for the desert explorers of the 1920s and 1930s, and became a theatre of war. Pilots were often shot down over the desert.