Secrets of the A-12: the SR-71 Blackbird's predecessor
For close on eight years, from selection to the programme’s termination, Ken Collins lived and breathed the CIA’s Project ‘Oxcart’ — testing the Mach 3-plus Lockheed A-12 reconnaissance aircraft from Area 51 and operating it over North Vietnam on the ‘Black Shield’ deployment, all in conditions of the utmost secrecy