Weekly overnight closures of southbound SR-71 to start Monday, lasting through end of March
The seven-mile stretch, which runs from Butterfield Ranch Road in Chino Hills to the 91 Freeway in Corona, will be under ...
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Here's what we know about Lockheed Martin's mysterious SR-72
In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...