Closed in 1949, the Sukhoi Design Bureau was reborn in 1953 to meet an urgent demand for a fast interceptor that would counter the threat posed by NATO bombers. It wasted no time developing a succession of missile-armed, Mach 2 interceptors characterized by delta wings; the single-engined Su-9 entered service in 1960, followed by the up-armed Su-11 in 1964 and the twin-engined Su-15 in 1967. Though built in modest numbers, the three types became an...
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