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Originally Posted by twozs
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a lot of this information is good I would like to post this from a website that is considered IMO to be a more credible source than widipedia.
"The SR-71 was designed by a team of Lockheed personnel led by Clarence "Kelly" Johnson, at that time vice president of the company's Advanced Development Projects, known as the "Skunk Works." The first version, a CIA reconnaissance aircraft that first flew in April 1962 was called the A-11. Upon retrofitting with J-58 engine, it was designated the A-12. An interceptor version was developed in 1963 under the designation YF-12A. A USAF reconnaissance variant, called the SR-71, was first flown in 1964. The A-12 and SR-71 designs included leading and trailing edges made of high-temperature fiberglass-asbestos laminates which among other features contributed to their reduced radar signature. Its existence was publicly announced by President Lyndon Johnson on Feb. 29, 1964, when he announced that an SR-71 had flown at sustained speeds of over 2000 mph during tests at Edwards, Calif."
[URL="http://www.fas.org/irp/program/collect/sr-71.htm"]
Thank you for the great information on the SR-71. I personally find this a/c to be one of the more amazing jets to fly the air.