Russia is signaling a new phase in its combat aviation program with the unveiling of a fifth generation fighter engine that officials say will enable sustained supersonic flight without afterburner.
Key Points and Summary - Russia is spotlighting the Su-57’s new 177S/AL-51F1 “fifth-generation” engine after its Dubai debut. -Early Su-57s flew with the 117S/AL-41F1, a deep modernization of the ...
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