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...

the B-17 Flying Fortress Related development Boeing XB-15 Boeing XB-38 Flying Fortress Boeing YB-40 Flying Fortress Boeing C-108 Flying Fortress Related...

The Boeing C-108 Flying Fortress was an American transport aircraft used during World War II. Four were converted from B-17 Flying Fortress heavy bombers...

Sears. Boeing YB-9 Boeing XB-15 (1 prototype) Boeing B-17 Flying Fortress Boeing XB-38 Flying Fortress Boeing YB-40 Flying Fortress Boeing C-108 Flying Fortress...

specific unique elements of each variant and/or design stage of the Boeing B-17 Flying Fortress, a heavy bomber used by the United States Army Air Forces and...

each have 14 to 16 Browning AN/M2 .50 cal machine guns as the Boeing YB-40 Flying Fortress and Consolidated XB-41 Liberator respectively. These were to...

ISSN 0262-6950 "Boeing YB-29 Superfortress". Archived from the original on 2004-10-13. Retrieved 2004-11-15. Baugher's Encyclopedia YB-29 "Boeing B-29 Superfortress"...

problems Northrop Corporation was experiencing with their YB-35 and YB-49 flying wing bombers, Boeing insisted on a conventional aircraft, and in April 1948...

built two experimental B-17 variants, the Boeing XB-38 Flying Fortress and the Boeing YB-40 Flying Fortress. By the end of November 1943, Vega had merged...

50 in(12.7 mm) M2 Browning machine guns Related development Boeing YB-40 Flying Fortress Consolidated B-24 Liberator Related lists List of bomber aircraft...