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.

Feb 28, 2014 · 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. …

Nov 27, 2020 · 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?

Mar 18, 2024 · 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 …

Jan 11, 2025 · 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 delivering …

6 days ago · The XB-70’s Design. In 1957, North American Aviation won the contract to develop XB-70, a delta-winged behemoth designed to cruise at Mach 3 (over 2,300 miles per hour) …

Nov 10, 2009 · 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 …

In flight, the XB-70 could lower the outer wing sections 25 degrees for flying from 300 knots to Mach 1.4, or a severe 65 degrees for speeds from Mach 1.4 to Mach 3+. Measuring just a bit …

SQ Wings L2081 1:200 North American XB-70 Valkyrie US Air Force, Wright Patterson, National Museum of the United States Air Force Highly detailed diecast pre-finished collector model …