Air Force Photos

Boeing XB-52
1950's -- Boeing XB-52 "Stratofortress" 1953 in flight. The prototype Stratofortress had a crew of five with the pilot and copilot seated in tandem under a B-47 style canopy. This canopy was only used on the two prototype aircraft (XB-52 & YB-52), all production aircraft had the familiar side-by-side cockpit. With eight jet engines mounted in pairs on a wing with a 35° sweep, the XB-52 had a maximum speed greater than 600 mph. The aircraft was used as a test aircraft for its entire service life, primarily at Wright-Patterson AFB once the initial flight tests were completed. (U.S. Air Force photo)

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