World's fastest plane reached 7,000mph — only three have ever been built
As military tech evolves, one jet from the past remains unmatched in speed. Discover the story of this legendary aircraft ...
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Here's what we know about Lockheed Martin's mysterious SR-72
Recently, an unmanned aircraft was seen at a Skunk Works facility ... If all goes well, it may not be long before the fastest plane ever hits the skies. More from Military & Defense A triangle ...
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Fastest Manned Aircraft In The World: A Look At The SR-71 Blackbird
The aircraft was retired due to increasing costs and the rise of unmanned aerial vehicles ... To this day, the SR-71 still stands as the fastest manned air-breathing jet to ever take to the ...