The SR-71 Stopped Flying Nearly Three Decades Ago — Its Mach 6 Successor SR-72 Could Restore U.S. Edge, but No One Knows If It’s Real
Source: Brandon Weichert
Lockheed Martin’s Skunk Works has been publicly discussing the SR-72 “Son of Blackbird” — a hypersonic reconnaissance and strike aircraft designed to fly at Mach 6, nearly twice the speed of the legendary SR-71 — since 2013. The aircraft would close a reconnaissance gap that has existed since the SR-71 stopped flying in 1999, using […]