Lockheed A-12
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The Lockheed A-12 is a retired high-altitude, Mach 3+ reconnaissance aircraft built for the United States Central Intelligence Agency by Lockheed's Skunk Works, based on the designs of Clarence "Kelly
A-12 aircraft, serial number 60-6932
A-11 design, March 1959
A-12 design by Lockheed Skunkworks
Lockheed A-12 pole models 1961
Lockheed YF-12
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The Lockheed YF-12 is an American Mach 3+ capable, high-altitude interceptor prototype, developed and manufactured by American aerospace company Lockheed Corporation.
Lockheed A-12
…classified "black" project. The A-12 was produced from 1962 to 1964 and flew from 1963 to 1968. It was the precursor to the twin-seat U.S. Air Force YF-12 prototype interceptor, M-21 launcher for the D-21 drone, and the SR-71 Blackbird, a slightly longer variant able to carry a heavier fuel and camera…
YF-12A
Picture of the modified chine to accommodate the AN/ASG-18 radar
Lockheed YF-12A, Serial# 60-6934, the only YF-12A in ADC markings
YF-12A over mountainous terrain.