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- 437articles · 30d
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- Aug 15, 2026earliest in window
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News
Lockheed YF-12A Traveling at Mach 3.2 and 75,000 Feet Fired a Missile That Hit a Target 500 Feet Right Above the Ground
6+ day, 17+ hour ago (679+ words) Long before today’s Pentagon debates about whether future aircraft may need to combine stealth with extreme speed to survive increasingly sophisticated air defense systems, Lockheed had already built the YF-12A, a Mach 3 interceptor derived from the CIA’s secret A-12 reconnaissance…...
NASA X-43A Flew at Mach 9.6 and 110,000 Feet — No Air-Breathing Aircraft Has Gone Faster in the 22 Years Since
6+ day, 21+ hour ago (661+ words) The X-43A weighed about 3,300 pounds, was dropped from a B-52 on a Pegasus booster, and was built to be used once and never recovered. The whole program cost $230,000,000....
$600,000,000 Mach 22 X-20 Dyna-Soar: Neil Armstrong Was Training to Fly a Spaceplane the Pentagon Cancelled in 1963
3+ week, 3+ day ago (854+ words) The X-20 Dyna-Soar didn't fail because the concept was wrong. It failed because it arrived sixty-three years before the US was ready to fly it without asking who was in the cockpit. And it offers a glimpse of what future wars…...