loosely based on the Lockheed SR-71 Blackbird, and has since become a legendary piece of aviation and pop culture history.

NASA released video footage of the SR-71 Blackbird, the high-altitude recon aircraft capable of reaching speeds over Mach 3. More from Military & Defense NASA released video footage of the SR-71 ...

Penetrator is rumored to be the successor to the legendary SR-71 Blackbird—a hypersonic aircraft designed for reconnaissance and strategic missions. But is it real, or just an aviation myth? This ...