
10 unusual facts about the Sukhoi Su-47 Berkut
Discover 10 little-known technical facts about the Sukhoi Su-47 Berkut, a Russian fighter jet with inverted wings, designed as a technology demonstrator. The Sukhoi Su-47 […]
Discover 10 little-known technical facts about the Sukhoi Su-47 Berkut, a Russian fighter jet with inverted wings, designed as a technology demonstrator. The Sukhoi Su-47 […]
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