Boeing   B-17    "Flying Fortress"

            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.


            

           Heavy bomber  B-17D.