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S-47 / S-37 Berkut, Sukhoi continues development of possible next generation fighter - http://www.airforce-technology.com/projects/s37/index.html
The Sukhoi Design Bureau of Moscow, Russia has developed the Su-47 (previously called the S-37 Berkut) fighter aircraft, which first flew in September 1997. The fighter was designed as a test demonstrator, but the design may form the basis of Sukhoi's next generation fighter for the Russian Air Force. |