SR-71C S/N 61-7981 was nicknamed “The Bastard” since it was a hybrid comprised of the rear fuselage of the first YF-12A and a functional engineering mockup of an SR-71A forward fuselage built for static testing The plane was built to replace the second of the two B model trainers after …
Read More »The story of the only SR-71C ever built – Half YF-12 and half SR-71
