Interesting Engineering on MSN

The world’s fastest fighter jet could hit Mach 3.2 but it came with a major catch

Newer fighter jets like the F-22 Raptor, F-35 Lightning II, and China’s J-20 are ...
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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 ...
Aviation Week

Boeing Withdraws Near-Mach 3 Claim For F-15

A Boeing F-15 is still quite fast, but not nearly Mach 3, the company’s program manager said on Feb. 23, correcting a previous statement. “Mach 2.497 is what we can get out of the Eagle jet and that’s ...
The National Interest

XB-70A: The Mach 3.1 Bomber Built for Battle with Russia

The XB-70A had one mission: to wage a nuclear war against Russia if the Cold War ever went truly hot: On display at the National Museum of the United States Air Force at Wright-Patterson Air Force ...
The National Interest

D-21: America’s Mach 3 Drone Used to Spy on China’s Nuclear Weapons

Summary and Key Points: The D-21 was America’s first foray into drone technology, developed by Lockheed Martin’s Skunk Works in the 1960s in response to growing Soviet anti-aircraft defenses. -This ...