![B-17 Flying Fortress. The workhorse of the American mighty bomber force. Upscaled video in HD - YouTube B-17 Flying Fortress. The workhorse of the American mighty bomber force. Upscaled video in HD - YouTube](https://i.ytimg.com/vi/F03u5GrIuk4/maxresdefault.jpg)
B-17 Flying Fortress. The workhorse of the American mighty bomber force. Upscaled video in HD - YouTube
![728 × 410] The Boeing B-17 Flying Fortress, was a legendary American ww2 heavy bomber designed in 1930. It dropped over 640,000 tons of bombs on Nazi Germany. 12,731 b17 were built 728 × 410] The Boeing B-17 Flying Fortress, was a legendary American ww2 heavy bomber designed in 1930. It dropped over 640,000 tons of bombs on Nazi Germany. 12,731 b17 were built](https://preview.redd.it/oh7nku9izdq71.jpg?width=640&crop=smart&auto=webp&s=f8bddb061843c4a373912c05d21f50ea4da3b5e7)
728 × 410] The Boeing B-17 Flying Fortress, was a legendary American ww2 heavy bomber designed in 1930. It dropped over 640,000 tons of bombs on Nazi Germany. 12,731 b17 were built
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