February 4th, 1969: the XB-70 Valkyrie bomber takes its last flight. Watch this video to remember the occasion or to learn ...

The North American XB-70 Valkyrie was a magnificent but doomed attempt to create a Mach 3 strategic bomber to replace the B-52. -This revolutionary aircraft, with its massive delta wing and six ...

The Ride of the XB-70 Valkyrie…Cut Short. Named the Valkyrie and designed by North American Aviation, a defense contractor back in the mid-twentieth century (that ultimately became part of ...

The SR-71 Blackbird, B-1B bomber and other military aircraft can trace some aspects of their lineage to the XB-70 Valkyrie. Unfortunately, the XB-70 story doesn't have a happy ending.

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 XB-70 Valkyrie in its new home. ... Though more conservative-looking than the previous drawing, it still relied on several untested theories of aerodynamics at very high speeds.

The North American XB-70 Valkyrie emerged from a United States Air Force requirement in the mid-1950s for a bomber capable of delivering nuclear payloads at speeds and altitudes beyond the reach ...

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 ...

One of the most popular ideas for the XB-70’s post-military career was as the first stage for a space-launching system. The Valkyrie could fly to altitudes of up to 72,000 feet, negating the ...

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 supersonic aircraft.

In 1966, during a midair photo session following a test flight, an F-104 fighter clipped the right wing of XB-70 No. 2. The fighter rolled over the top of the Valkyrie, damaging both wings and ...