The video's release also comes some four months after images emerged of what appeared to be a new compact Russian air-to-air missile, derived, at least in part, from the medium-range R-77-series. Its overall size and other design elements suggested it could potentially be intended to fit inside the Su-57's wing root bays.
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Wing Root Bay에서 R-77 계열 중거리 AAM발사
나름 준비는 하고 있네요.