National Interest on MSN7mon
SR-91 Aurora: The Mach 5 Spy Plane Was Never Real (Just a Rumor)
SR-91 Aurora: The Hypersonic Spy Plane That Never Was The original ... very well have been caused by military aircraft ...
National Interest on MSN7mon
SR-91 Aurora: Does the Military Have a Super Secret Mach 5 Plane?
Such is the case with the mysterious SR-91 Aurora spy plane. This airplane may have been ... Nevada (also known as Area 51).
Business Insider7y
Here's what we know about Lockheed Martin's mysterious SR-72
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 ...