When it comes to blistering aerial speeds, fighter jets manufactured by American military contractors like Boeing and Lockheed dominate the skies. While Bell's X-1 "Glamorous Glennis" was the first ...
The SR-71 Blackbird, the most impressive plane ever created at the time, remained a mystery even 20 years after its first flight. But in the July 1982 issue, Popular Mechanics published a tell-all ...
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