Lockheed’s YF-12A was a Mach 3.2 Cold War interceptor born from the same Skunk Works lineage that produced the A-12 and SR-71 ...
In April 1962, Lockheed Skunk Works flew an A-12 Oxcart spy plane that required an entirely new American titanium industry just to manufacture and used Pratt & Whitney J58 engines that weren't yet ...