The XB-70 Valkyrie was an aircraft ahead of its time. Equipped with drooping wingtips, and designed with one of the highest lift-to-drag ratios in aviation hist
The XB-70 Valkyrie was an aircraft ahead of its time that challenged the known concepts of the flight envelope. Originally printed by NASA and the Air Force, th
Of the many futuristic military aircraft concepts created in the 1950s the North American XB-70 still stands out as the most awe-inspiring. With its huge, white
The Boeing B-17 was the first mass-produced, four-engine heavy bomber. Used throughout World War II for strategic bombing, the plane earned a reputation for its
“A fascinating insight into one of the Cold War’s most interesting concept aircraft . . . [with] new information, photographs and first-hand accounts.” �