The National Interest on MSN12d
What It Took To Build The SR-71 Blackbird
The legendary SR-71 Blackbird retains the record for America’s fastest manned aircraft—ever. W hile almost everyone has heard ...
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 ...