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 intended to have even more impressive specs. Following is a transcript of the video. The SR-72 is the successor to the SR-71 Blackbird spy plane, which was the fastest plane to ever exist. Built by Lockheed Martin in the 1960s, the SR-71 could reach speeds exceeding Mach 3 (above 2,200 mph). That's over 3 times faster than the speed of sound. The recon jets went out of
Read moreMay 26, 2018 in cost to operate jets Private Aircraft
We're joined by Matt Knappe, Zunum Aero Co-Founder and Chief Aero Engineer, who tells us the benefits of these new planes.
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