Lockheed Martin’s Skunk Works has been publicly discussing the SR-72 “Son of Blackbird” — a hypersonic reconnaissance and ...
Too hot for jet fuel: The SR-71’s Mach 3+ speeds heated its skin beyond 500°F, forcing engineers to invent JP-7 fuel, stable ...
The SR-71 is one of the U.S. Air Force's most prolific aircraft. Other than looking like a futuristic aircraft military model lovers have built for decades, it was designed and built in secret by the ...
The SR-71 is perhaps the most iconic Cold War spy aircraft, famous for many record-setting flights. Seemingly impervious to loss by enemy defenses, a dozen Blackbirds were lost to accidents. On July ...
The SR-71 could cruise at speeds exceeding Mach 3 and at altitudes exceeding 80,000 feet—both of which represent performance extremes. At such extremes, the airframe generated heat, which posed ...