On October 14, 1965, the North American XB-70 Valkyrie exceeded Mach 3 for the first time, showcasing the remarkable speed and innovation of America's experimental supersonic bomber.

In the middle years of the Cold War, the US government encouraged the development of supersonic airliners through the National Supersonic Transport program. NASA Flight Research Center, now Armstrong ...

XB-70 It Flew Fast But Could Not Run Advances in Anti-Aircraft Systems: Even as the Boeing B-52 Stratofortress entered service in the mid-1950s – replacing the Curtis B-36 Peacekeeper – the United ...

The North American XB-70 Valkyrie was designed to be America’s ultimate high-speed nuclear bomber, capable of reaching 2,056 mph at 73,000 feet. Powered by six afterburning engines, the massive ...

The North American XB-70 Vakyrie was rolled into the new fourth building of the National Museum of the United States Air Force on Tuesday, October 27. The big Mach 3 bomber was put in a new hangar the ...

The XB-70 Valkyrie streaked through the skies near three times the speed of sound in flight tests 70,000 feet above the California desert in the 1960s. Tuesday, the massive, white jet emerged under ...

(CNN) — Five years before Concorde’s first flight, another majestic supersonic aircraft took to the skies — and almost became the inspiration for an even faster passenger plane. It was the XB-70 ...

ARNOLD AIR FORCE BASE, Tenn. – Writers across various websites and periodicals have used an array of adjectives to describe the splendor of the XB-70 Valkyrie. When perusing internet search results on ...

The XB-70 Valkyrie streaked through the skies near three times the speed of sound in flight tests 70,000 feet above the California desert in the 1960s. The massive, white jet emerged under gray skies ...