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22 December 1964: First flight of the SR-71 with Lockheed test pilot Bob Gilliland at AF Plant #42. First mated flight of the MD-21 with Lockheed test pilot Bill Park at Groom Lake. 28 December 1966: Decision to terminate A-12 program by June 1968. 31 May 1967: A-12s conduct Black Shield operations out of Kadena; 3 November 1967: A-12 and SR-71 ...
A fourth YF-12 aircraft, the "YF-12C", was actually the second SR-71A (AF Ser. No. 61–7951). This SR-71A was re-designated as a YF-12C and given the fictitious Air Force Serial Number 60-6937 from an A-12 to maintain SR-71 secrecy. The aircraft was loaned to NASA for propulsion testing after the loss of YF-12A (AF Ser. No. 60–6936) in 1971.
As the SR-71 had a second cockpit behind the pilot for the RSO, it could not carry the A-12's principal sensor, a single large-focal-length optical camera that sat in the "Q-Bay" behind the A-12's single cockpit. Instead, the SR-71's camera systems could be located either in the fuselage chines or the removable nose/chine section.
Archangel 1 design (July 1958) Archangel 2 design (September 1958) By 1957 so many ideas had been submitted that Bissell arranged for the formation of a new advisory committee to study the concepts, led by Edwin H. Land under the designation Project Gusto. [4] The committee first met in November to arrange for submissions.
Chined fuselage of an SR-71 Blackbird The front view of the A-12 showing forebody shaped into chines Chines visible on the Northrop YF-23. In aircraft design, a chine is a longitudinal line of sharp change in the cross-section profile of the fuselage or similar body.
The Pratt & Whitney J58 (company designation JT11D-20) is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft. It was an afterburning turbojet engine with a unique compressor bleed to the afterburner that gave increased thrust at high speeds.
The General Dynamics/McDonnell Douglas A-12 Avenger II was a proposed American attack aircraft from General Dynamics and McDonnell Douglas. It was to be an all-weather, carrier-based stealth bomber replacement for the Grumman A-6 Intruder in the United States Navy and Marine Corps .
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