... I got all excited thinking this was a promotional pamphlet from the time the 'Nike' nuclear tipped anti-aircraft missile was in operation. I was going to give it a big thumbs-up for the scare your pants off division of Cold-War information. Turns out to be a history article from a 2005 issue of 'Air & Space'. Oh well. I can't find the full article on the Internet so I'll throw in a documentary sure to leave you hiding under your beds!
all images - Right Click - Open in New Window or Tab = super size!
"... take a walk down the tarmac and you can see we've got three great little models for you- yessir!"
Left to right; engine intake and wing of the Martin B-57 'Canberra', North American XB-70 "Valkyrie'and the Lockheed YF-12. The YF-12 is pretending to be a possible super-duper interceptor so no one pays attention to the nearly identical SR-71 'Blackbird' spy-plane (still confuses me!).