The North American Aviation XB-70 Valkyrie is a retired prototype version of the planned B-70 nuclear-armed, deep-penetration supersonic strategic bomber for the United States Air Force …

Conceived in the 1950s as an intercontinental strategic nuclear bomber, the futuristic Valkyrie instead became a unique test aircraft in the 1960s. Higher and Faster: B-70 Bomber Concept.

2014年2月28日 · The XB-70 Valkyrie, with a planned cruise speed of Mach 3 and operating altitude of 70,000 feet, was to be the ultimate high-altitude, high-speed manned strategic …

2024年3月18日 · It was the XB-70 Valkyrie, an experimental plane developed for the US Air Force. Its inaugural flight — 60 years ago in September 1964 — kicked off a golden era for …

2020年11月27日 · The Air Force’s XB-70 Valkyrie was the fastest bomber ever developed. What killed it? And could it have been used for another purpose?

XB-70’s design was a marvel of engineering. Indeed, though the plane never entered service, it influenced the design and development of the legendary SR-71 Blackbird.The Valkyrie was …

2021年9月7日 · With its six engines, unique canards, variable geometry wing tips, and capacity to fly at Mach 3, the XB-70 was a sight to see. Today, only one remains in the world — and you …

2025年1月11日 · Built during the height of the Cold War, the XB-70 was conceived as a supersonic bomber capable of cruising at Mach 3—three times the speed of sound—while …

2009年11月10日 · North American Aviation’s XB-70 fulfilled General Curtis E. LeMay’s dream of a bomber that could penetrate the Soviet Union with impunity, carrying enough ordnance to …

2 天之前 · The XB-70 is an aircraft which met the criteria it was designed to meet, but whose mission had been eliminated by defensive threat technology. In 1961, the XB-70 program was …

The B-70 bomber program resulted from an Air Force requirement for a high-speed, high-altitude strategic bomber to replace the B-52. North American engineers utilized NACA studies dealing …

2020年3月2日 · Learn all about the history and development of the North American XB-70 Valkyrie, the Mach 3 beauty that led a star-crossed life.

2023年11月13日 · Built by NAA’s Los Angeles Division for the U.S. Air Force, the XB-70 “Valkyrie” was an experimental high-speed, delta-wing aircraft. It met the SAC goals and was …

The XB-70 was designed as a long-range, supersonic-cruise airplane capable of flying at an approximate sustained speed of Mach 3 and an altitude of 70,000 feet. Two airplanes were …

2017年5月3日 · The XB-70, while a technological wonder at the time, was the wrong plane for the wrong time. It came at a time when ballistic missiles were thought to be supplanting manned …

The XB-70 Valkyrie, with a planned cruise speed of Mach 3 and operating altitude of 70,000 feet, was to be the ultimate high-altitude, high-speed manned strategic bomber. Events, however, …

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