A Lockheed YF-12A flying at Mach 3.2 and 75,000 feet fired a missile that hit a target flying about 500 feet above the ground, a demonstration that still reads like sci-fi ...

A Mach 3 interceptor once fired a missile from 75,000 feet and hit a target near the ground, a Cold War feat that still ...
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Meet the F-35EX and F-35FX: The Designer of the YF-23 Has a Radical Fighter Idea

-The goal is to deliver 80% of the F-47's capability at half the cost. -Concepts, championed by former YF-23 designer Darold Cummings, include creating new variants inspired by past experimental ...
The National Interest

YF-12: How the SR-71 Blackbird Could Have Destroyed Russia’s Bombers at Mach 2.7

What You Need to Know: The YF-12 was a high-speed interceptor developed from the A-12, the predecessor of the SR-71 Blackbird. Designed during the Cold War to replace the F-106 Delta Dart, it boasted ...