A Total Failure: The XB-70 Valkyrie was an experimental U.S. nuclear bomber developed in the 1950s and 1960s as a potential replacement for the B-52. Designed to fly at Mach 3 speeds and altitudes ...

The experimental legacy of the iconic XB-70 Valkyrie, which made its first flight on Sept. 21, 1964. An article published on the U.S. Air Force website commemorates the 60th anniversary of the ...

XB-70A. Military; XB-70 Bomber Can Be Explained in 3 Words ... The XB-70 Valkyrie was an experimental U.S. nuclear bomber developed in the 1950s and 1960s as a potential replacement for the B-52.

The Air Force officers who christened their controversial new research plane the Valkyrie were ... While the XB-70A is cruising at Mach 3, its fuel will circulate, cooling the interior, ...

The maiden flight of the XB-70A ended with tire blowout and fire. With a planned cruise speed of Mach 3 and operational altitude of 70,000 feet, the B-70 Valkyrie was slated to be the ultimate ...

The first XB-70 Valkyrie built, the XB-70A, had handling at speeds greater than Mach 2.5, and only got above Mach 3 once. So a second one was built, the XB-70B, with the wings adjusted just 5 ...

The first XB-70A (Air Vehicle 1 or AV 1) flew in September 1964, and it achieved Mach 3 flight in October 1965. The second Valkyrie (AV 2) first flew in July 1965, but in June 1966, it was ...

The No. 1 XB-70A during takeoff rotation. ... That makes the remaining XB-70 Valkyrie one of a kind. You can see it in person at the National Museum of the U.S. Air Force near Dayton, Ohio.

The XB-70 was powered by six General Electric YJ93s capable of generating 30,000 lbs. thrust each, with afterburner. North American Aviation designed the Valkyrie to be able to reach speeds in ...

The experimental legacy of the iconic XB-70 Valkyrie, which made its first flight on Sept. 21, 1964. ... North American XB-70A Valkyrie just after collision.