the B-29 Superfortress), the Boeing B-17 Flying Fortress was to bombers what the North American P-51D Mustang was to fighters: the iconic symbol of American airpower during WWII. The powerful ...

Even after the B-29 Stratofortress replaced the B-17 by the end of the war, the Flying Fortress remains symbolic of America’s aerial prowess during WWII today.

That led to the development of the B-29, but Boeing also continued to refine and improve the B-17. The aircraft increased in size and weight while it also received increased armor, self-sealing ...