Boeing YB-40 Flying Fortress Boeing YB-40 Flying Fortress The Boeing YB-40 Flying Fortress was a modification for operational testing purposes of the B-17 Flying Fortress bomber aircraft, converted to act as a heavily armed gunship for other bombers during World War II. At the time of its development, long-range fighter aircraft such as the North American P-51 Mustang were just entering quantity production, and thus were not yet available to accompany bombers all the way from England to Germany and back. Work on the prototype, Project V-139, began in September 1942 by converting the second production B-17F-1-BO (serial number 41-24341) built. Conversion work was
Flying Fortress (film) Flying Fortress (film) Flying Fortress is a 1942 British black-and-white war film drama released by Warner Bros. Pictures, produced by A. H. Soloman, directed by Walter Forde, that stars Richard Greene and co-stars Carla Lehmann, Betty Stockfeld, and Donald Stewart. During the Blitz, an arrogant American pilot becomes increasingly committed to the Allied cause after ferrying B-17 bombers from Canada to England. After joining the Royal Canadian Air Force and being assigned to an RAF squadron, he finally takes part in a Flying Fortress bombing raid on Berlin. Pilot William "Sky" Kelly (Donald Stewart) is held responsible for an aircraft