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The Lockheed SR-71 "Blackbird" is a retired long-range, high-altitude, ... "A-10" was the front-runner, although its shape made it vulnerable to radar detection ...
SR-71 Blackbird Clarence Leonard " Kelly " Johnson (February 27, 1910 – December 21, 1990) was an American aeronautical and systems engineer . He is recognized for his contributions to a series of important aircraft designs, most notably the Lockheed U-2 and SR-71 Blackbird .
5 February 1968: Lockheed ordered to destroy A-12, YF-12 and SR-71 tooling. 8 March 1968: First SR-71A (#61-7978) arrives at Kadena AB to replace A-12s. 21 March 1968: First SR-71 (#61-7976) operational mission flown from Kadena AB over Vietnam. 8 May 1968: Jack Layton flies last operational A-12 sortie, over North Korea.
Lockheed SR-71 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.
Skunk Works engineers subsequently developed the U-2, SR-71 Blackbird, F-117 Nighthawk, F-22 Raptor, and F-35 Lightning II, the latter being used in the air forces of several countries. The Skunk Works name was taken from the "Skonk Oil" factory in the comic strip Li'l Abner.
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.
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The Lockheed SR-71 Blackbird is the current record-holder for a crewed airbreathing jet aircraft. An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI), [1] which also ratifies any claims. Speed records ...