Serial production of Su-57 fighter jets delayed until at least 2020
Jan 16, 2019

The Russian longstanding plan to acquire and commission its fleet of the fifth-generation multirole fighter into service by 2018–19 has been further postponed due to technological hurdles and, above all, engine problems
مصاعب تقنية ومشاكل في محرك هي اسباب لتأخير الانتاج المتسلسل الى 2020 على الاقل
Jan 16, 2019

The Russian longstanding plan to acquire and commission its fleet of the fifth-generation multirole fighter into service by 2018–19 has been further postponed due to technological hurdles and, above all, engine problems
مصاعب تقنية ومشاكل في محرك هي اسباب لتأخير الانتاج المتسلسل الى 2020 على الاقل