![[Untitled photo, possibly related to: Production. B-17 heavy bomber. An Army sentry guards new B-17F (Flying Fortress) bombers at the airfield of Boeing's Seattle plant. The ship will be delivered to the Army and the Navy after they have successfully undergone flight tests. The Flying Fortress has performed with great credit in the South Pacific, over Germany and elsewhere. It is a four-engine heavy bomber capable of flying at high altitudes]. Sourced from the Library of Congress.](https://images.rawpixel.com/image_200/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDIyLTA0L2xvYzIwMTc4NjQ0NjEtaW1hZ2UuanBn.jpg)
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[Untitled photo, possibly related to: Production. B-17 heavy bomber. An Army sentry guards new B-17F (Flying Fortress) bombers at the airfield of Boeing's Seattle plant. The ship will be delivered to the Army and the Navy after they have successfully undergone flight tests. The Flying Fortress has performed with great credit in the South Pacific, over Germany and elsewhere. It is a four-engine heavy bomber capable of flying at high altitudes]. Sourced from the Library of Congress.
[Untitled photo, possibly related to: Production. B-17 heavy bomber. An Army sentry guards new B-17F (Flying Fortress) bombers at the airfield of Boeing's Seattle plant. The ship will be delivered to the Army and the Navy after they have successfully undergone flight tests. The Flying Fortress has performed with great credit in the South Pacific, over Germany and elsewhere. It is a four-engine heavy bomber capable of flying at high altitudes]. Sourced from the Library of Congress.
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