A successor to the iconic SR-71 Blackbird could cruise at speeds near Mach 6—but is it a real plane or a pipe dream?
By Justin Bachman
January 16, 2018, 4:00 AM EST
Source: Lockheed Martin Corp.
For years, Lockheed Martin Corp. has been developing a successor to one of the fastest aircraft the world has seen, the SR-71 Blackbird, the Cold War reconnaissance craft that the U.S. Air Force retired almost three decades ago. Lockheed officials have said the hypersonic SR-72—dubbed the “Son of Blackbird†by one trade journal—could fly by 2030.
https://www.bloomberg.com/news/articles/2018-01-16/america-s-fastest-spy-plane-may-be-back-and-hypersonic
