The Sukhoi Su-47 Berkut was a Russian X-plane, which had been developed as a prototype in the 1990s. Designed by Mikhail Pogosyan, the main characte…
Read moreThe MiG 1.44 was a supersonic prototype aircraft designed by the State-run firm Mikoyan-Gurevich in 1991. The purpose of this military plane project…
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