Factual error: When the radio operator was asking for a radio check he used a phonetic alphabet. He use the word Tango, representing the letter T. Tango is the modern and current phonetic representation for T. In the 1940's the word was Tare. Able, Baker...Roger, Sugar, Tare, Uncle...Zebra.
Factual error: When the crews head out to their aircraft, the ground crews are just finishing "bombing-up" and preparing the planes. In reality, these jobs were begun while the aircrews were still in bed, and would be long finished by the time they arrived at their planes.