The movie opens with a radio broadcast by Bill Robertson from Berlin, Germany, in which he states that for 26 days Berlin has not been bombed. Just then, a bombing of Berlin begins. The movie then has footage of Stuka dive bombers bombing a city. But Stukas were a German airplane. So, the movie has the Germans inadvertently bombing Berlin themselves.
The bombing scene at the beginning of the film is newsreel footage of bombings in China. The bombers shown are Japanese.