Was the YF-12A a prototype for the SR-71?
No. The YF-12A was a separate variant of the Blackbird, all models of which were
developed from the original A-12. The YF-12A was a prototype for an interceptor
version. The production model, had it been built, would have been known as the F-12B.# YF12
Linda Sheffield
@Habubrats71 via X












