“It’s a humbug,” said independent military analyst Pavel Felgenhauer. “It’s just a prototype lacking new engines and a new radar. It takes new materials to build a fifth-generation fighter, and Russia lacks them.” …
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“It’s a humbug,” said independent military analyst Pavel Felgenhauer. “It’s just a prototype lacking new engines and a new radar. It takes new materials to build a fifth-generation fighter, and Russia lacks them.” …
See more here: