AMERICA'S MACH 3 DREAM: The XB-70 Valkyrie Story [Restored Rare Footage] PART 1 This restored short film features incredible historical footage of the North American XB-70 Valkyrie, America's experimental Mach 3 strategic bomber. Witness this six-engine titan in flight, showcasing its revolutionary design and the unique technologies that allowed it to cruise at 2,000 miles per hour at 70,000 feet, pushing the boundaries of aviation in the Cold War era. #AviationHistory #historicalfootage #Secret

1/48 HPH North American XB-70 Valkyrie. Built by Chris Derks #scalemodel #xplane #aviationlovers #148scale | Scott Bricker

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Six Engines, Mach 3: The Incredible XB-70 Valkyrie The North American XB-70 Valkyrie was a prototype strategic bomber developed for the U.S. Air Force in the late 1950s. A true marvel of engineering, it was designed to be the ultimate nuclear bomber, capable of flying at Mach 3 (three times the speed of sound) at altitudes of 70,000 feet. Built from stainless steel and titanium to withstand extreme heat, the six-engined Valkyrie could fold its wingtips to ride its own shockwave, a concept known

Six Engines, Mach 3: The Incredible XB-70 Valkyrie https://youtube.com/live/NB4XJ7sa01Y The North American XB-70 Valkyrie was a prototype strategic bomber developed for the U.S. Air Force in the late 1950s. A true marvel of engineering, it was designed to be the ultimate nuclear bomber, capable of flying at Mach 3 (three times the speed of sound) at altitudes of 70,000 feet. Built from stainless steel and titanium to withstand extreme heat, the six-engined Valkyrie could fold its wingtips to rid