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 ...

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 ...

“Faster than a speeding bullet” may bring to mind a certain superhero from the planet Krypton, but it was literally true of the SR-71 Blackbird, the sleek, stealthy Air Force spy plane taken ...

It is designed to be both a strike and reconnaissance aircraft. This is different from the SR-71, which was used only for intelligence, surveillance, and reconnaissance (ISR). Because of its speed ...