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TIL: Titanium used for Mach3+ Cold War spy plane came from Russia

Frik Els | June 07, 2014 | 8:59 pm

[caption id="attachment_785663" align="aligncenter" width="600"] Image: Nasa[/caption] In a fascinating piece about the SR-71 Blackbird, the BBC calls it The Cold War's ultimate spy plane. The Blackbird is the world's fastest plane capable of speeds reaching 2,200mph (3,540kph) while its futuristic...

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