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 ...

INCREDIBLE plans have been revealed for a hypersonic superjet dubbed “Son of Blackbird” that could soon become the world’s ...

So, the SR-72 is designed to go up to Mach six, twice the speed of its predecessor. Responding to a Serious Threat America’s enemies have evolved their air defenses to such a degree that it is ...

This means the SR-72's targeted speed is Mach 6 ... is being developed by Skunkworks, the same top-secret division that created the iconic SR-71 Blackbird. The division has been tasked with ...

When "Top Gun ... the famed SR-71 Blackbird. It stands to reason that the next jet in the series would be assigned the designation SR-72, and as it happens, there is such an aircraft in development.

However, none of these fifth-generation platforms beat out a Cold War-era aircraft when it comes to top speed. The SR-71 “Blackbird” broke the world’s record for sustained altitude in ...