Let's take a look at the planned fastest, highest flying spy plane ever in aviation: The SR-72. Dubbed Son of Blackbird, the SR-72 is a hypersonic unmanned aerial vehicle or UAV capable of flying ...

In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane ... early 2020s. If all goes well, it may not be long before the fastest plane ever hits the ...