But while JP-7’s low flashpoint was capable of serving the SR-71’s voracious fuel consumption without igniting, the new fuel had a different problem: igniting at all for the sake of engine ...

But only one, the legendary Lockheed SR-71 Blackbird spy plane ... that can make the trip between London and New York in just 90 minutes (it currently takes over eight hours).

Chinese scientists have tested a turbojet engine, capable of touching Mach 4 speeds, sparking rumors of a new SR-71-like spy ...

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 ...