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. #xb70 #engineering #prototype #avgeek #experimental #accident #aircraft #AirCrash #SupersonicBomber | Aviation And History

Check out this historic footage of the North American XB-70 Valkyrie roll out. See this aircraft on display in the museum's fourth building and find out more info here--> http://bit.ly/2z1rg7a Feel free to share your photos! | National Museum of the U.S. Air Force

Witness the raw power of the XB-70 Valkyrie, the six-engine beast designed to outrun nuclear blasts and enemy interceptors. Born at the height of the Cold War, this Mach 3 prototype utilized revolutionary compression lift technology to essentially “surf” on its own shockwaves. We have remastered archival film to bring you closer than ever to the “White Bird,” showcasing its massive GE turbojets, the unique folding wingtips, and the brave test pilots who tamed this experimental giant. Step back i