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by greedo 2423 days ago
The Chinese have been trying to manufacture fighter grade jet engines for over 20 years, with a pretty dismal result. They tried to clone the various Russian engines that have come with the Su-27's they've purchased, but they've had trouble with the metallurgy. Even their latest stealth fighter (J-20) is using an upgraded version of this engine (Saturn AL-31).

And considering BO had previously said they'd have manned missions by 2018, I'm skeptical of anything in their forecast.