Beloved by pilots and crews for its durability and high altitude performance. The B-17 Flying Fortress was the dominant heavy bomber in the early years of World War II. This program looks back at the development and the history of the B-17. Through the experiences of the pilots and crews who were there, it recounts battles that raged in the skies over Europe and German interceptors faced off with the B-17 gunners in a life or death struggle.