Aerospace and Mechanical Insider on MSN

Why America’s Mach 3 Valkyrie bomber became a strategic dead end

For decades, the speed appeared to be the key attribute in strategic bombing missions. Thus, the North American XB-70 ...
National Security Journal on MSN

At Mach 3.1 and 70,000 feet, the XB-70 Valkyrie bomber could outrun every Russian interceptor — but the US cancelled it

In the late 1950s, the U.S. spent $800 million building a Mach 3.1 strategic bomber that could cruise above 70,000 feet and outrun every Soviet interceptor. The North American XB-70 Valkyrie used six ...
Interesting Engineering on MSN

US to test high-Mach flight, high-speed weapon release by unmanned war planes

An Atlanta-based firm is set to demonstrate high-Mach flight and high-speed payload release. The ...