Original source : http://woondu.com (& http://en.wikipedia.org)
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Author : the admin
After the U-2 entered service in 1955 the CIA already planed its eventual replacement. The result was the Lockheed A-12 Blackbird and later the larger Lockheed SR-71. But Lockheed company were not the only company the CIA approached to developed the U-2 replacement. The second company Convair came up with an unusual and innovative proposal known as the Convair Fish and Kingfish, but it never entered operational service.
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