Russia's new fifth-generation PAK FA T-50 fighter jet performed its first demonstration flight at MAKS-2011 international air and space show in the town of Zhukovsky, near Moscow.

在莫斯科近郊的茹可夫斯基市举行的俄罗斯2011年国际航空航天展上，俄第五代喷气式战机t - 50进行了首秀。

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The program was halted due to high unit cost of F-22 and delays in Russian and Chinese fifth-generation fighter jet programs.

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